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MCQOPTIONS
This section includes 287 Mcqs, each offering curated multiple-choice questions to sharpen your ENGINEERING SERVICES EXAMINATION (ESE) knowledge and support exam preparation. Choose a topic below to get started.
| 151. |
Pitch of tacking rivets, when double angles connected back to back and acting astension members should not be more than |
| A. | 500 mm |
| B. | 600 mm |
| C. | 1000 mm |
| D. | 300 mm |
| Answer» D. 300 mm | |
| 152. |
The beams supporting the steps of a stair are generally known as Headers |
| A. | Trimmers |
| B. | Stringers |
| C. | Spandrel beams |
| D. | none |
| Answer» D. none | |
| 153. |
For the steel member exposed to weather and accessible for repainting, the thickness of steel should not be less than (accepting the webs of Indian Standard rolled steel joists and channels). |
| A. | 4 mm |
| B. | 6 mm |
| C. | 8 mm |
| D. | 10 mm |
| Answer» C. 8 mm | |
| 154. |
If the thickness of thinnest outside plate is 10 mm, then the maximum pitch ofrivets in tension will be taken as |
| A. | 120 mm |
| B. | 160 mm |
| C. | 200 mm |
| D. | 300 mm |
| Answer» C. 200 mm | |
| 155. |
A 20 mm dia steel bar which is subjected to an axial tension of 2300 kg/cm2 produces a strain of cm. If Young's modulus of steel is 2.1 × 106kg/cm2, the bar is |
| A. | In the elastic range |
| B. | In the plastic range |
| C. | At yield point |
| D. | None of these |
| Answer» B. In the plastic range | |
| 156. |
Battening is preferable when the(i) Column carries axial load only(ii) Space between the two main components is not very large(iii) Column is eccentrically loadedThe correct answer is |
| A. | Only (i) |
| B. | Only (iii) |
| C. | (i) and (ii) |
| D. | (ii) and (iii) |
| Answer» D. (ii) and (iii) | |
| 157. |
The effective length of a simply supported beam with ends restrained against torsion, and also the ends of compression flange partially restrained against lateral bending, is given by |
| A. | L = span |
| B. | L = 0.85 span |
| C. | L = 0.75 span |
| D. | L = 0.7 span |
| Answer» C. L = 0.75 span | |
| 158. |
The economical depth d of a web plate in which allowable bearing stress is fb,and the maximum bending moment is M, as suggested by Rawater and Clark, is |
| A. | d = (M/fb) |
| B. | d = 1.5 (M/fb) |
| C. | d = 2.5 (M/fb) |
| D. | d = 4.5 (M/fb) |
| Answer» E. | |
| 159. |
The live load for a sloping roof with slope 15°, where access is not provided toroof, is taken as |
| A. | 0.65 kN/m² |
| B. | 0.75 kN/m² |
| C. | 1.35 kN/m² |
| D. | 1.50 kN/m² |
| Answer» B. 0.75 kN/m² | |
| 160. |
The internal pressure coefficient on walls for buildings with large permeability istaken as |
| A. | ± 0.2 |
| B. | ±0.5 |
| C. | ± 0.7 |
| Answer» D. | |
| 161. |
The ratio of the span L of the filler joists to the depth d from the underside of the joist to the top of the structural concrete, should not exceed |
| A. | 60 |
| B. | 45 |
| C. | 35 |
| D. | 25 |
| Answer» D. 25 | |
| 162. |
The effective length of a compression member of length L held in position atboth ends but not restrained in direction, is |
| A. | L |
| B. | 0.67 L |
| C. | 0.85 L |
| D. | 1.5 L |
| Answer» B. 0.67 L | |
| 163. |
If the floor is supported at or near the bottom but top chords of a bridge is notbraced, then the bridge is called |
| A. | Deck type |
| B. | Through type |
| C. | Half through type |
| D. | Double deck type |
| Answer» D. Double deck type | |
| 164. |
When the depth of a plate girder is at least times the depth of vertical leg of the flange angles, the girder is known as deep plate girder, if is |
| A. | 2 |
| B. | 4 |
| C. | 6 |
| D. | 8 |
| Answer» E. | |
| 165. |
The side thrust T on the tie rods provided at the end beam of jack arch of rise R,is calculated from the formula |
| A. | T = WL/4R |
| B. | T = WR/8L |
| C. | T = WL/8R |
| D. | T = WL/2R |
| Answer» D. T = WL/2R | |
| 166. |
If the thickness of a structural member is small as compared to its length andwidth, it is classified as |
| A. | One dimensional |
| B. | Two dimensional |
| C. | Three dimensional |
| D. | None of these |
| Answer» C. Three dimensional | |
| 167. |
A structural member subjected to tensile force in a direction parallel to its longitudinal axis, is generally known as |
| A. | A tie |
| B. | A tie member |
| C. | A tension member |
| D. | All the above |
| Answer» E. | |
| 168. |
The shape factor of an isosceles triangle for bending about the axis parallel to thebase is: |
| A. | 1.5 |
| B. | 1.7 |
| C. | 2.0 (D) |
| D. | all |
| Answer» E. | |
| 169. |
When a load is transferred through one surface to another surface in contact, thestress is known as |
| A. | Tensile stress |
| B. | Compressive stress |
| C. | Shearing stress |
| D. | None of these |
| Answer» E. | |
| 170. |
Water pressure in a 80 cm water main is 10 kg/cm2. The minimum thickness of themetal required for the water main, not to be stressed more than 200 kg/cm2, is |
| A. | 1 cm |
| B. | 1.5 cm |
| C. | 2 cm |
| D. | 2.5 cm |
| Answer» D. 2.5 cm | |
| 171. |
If the thickness of plate to be connected by a rivet is 16 mm, then suitable sizeof rivet as per Unwin's formula will be |
| A. | 16 mm |
| B. | 20 mm |
| C. | 24 mm |
| D. | 27 mm |
| Answer» D. 27 mm | |
| 172. |
Working shear stress on the gross area of a rivet as recommended by IndianStandards, is |
| A. | 785 kg/cm2 |
| B. | 1025 kg/cm2 |
| C. | 2360 kg/cm2 |
| D. | None of these |
| Answer» C. 2360 kg/cm2 | |
| 173. |
As per IS: 800, in the plastic design, which of the following pairs are correctly matched? Working Loads Load factor(i) Dead load 1.7(ii) Dead Load + imposed load 1.7(iii) Dead load + load due to wind or 1.3 seismic forces(iv) Dead load + imposed load + load 1.7 due to wind or seismic forces Of these statements |
| A. | (i) and (ii) are correct |
| B. | (i), (ii) and (iii) are correct |
| C. | (ii) and (iii) are correct |
| D. | Only (i) is correct |
| Answer» B. (i), (ii) and (iii) are correct | |
| 174. |
The strength of ISA 125 = 75 × 10 mm used as a tie member with its longer leg connected at the ends by 27 mm diameter rivets, is |
| A. | 26,000 kg |
| B. | 26,025 kg |
| C. | 26,050 kg |
| D. | 26,075 kg |
| Answer» E. | |
| 175. |
An axial loaded column is supported on a slab base whose projection is 8 cm. If the intensity of pressure from concrete is 40 kg/cm2 and allowable bending stress in slab base is 1890 kg/cm2 , the thickness (t) of the slab base, is |
| A. | t |
| B. | t |
| C. | t = 21/64 |
| D. | t = 64/21 |
| Answer» C. t = 21/64 | |
| 176. |
The moment of the couple set up in a section of a beam by the longitudinalcompressive and tensile force, is known as |
| A. | Bending moment |
| B. | Moment of resistance |
| C. | Flexural stress moment |
| D. | None of these |
| Answer» C. Flexural stress moment | |
| 177. |
According to IS: 800-1962, the coefficient of expansion of steel per degreecentigrade per unit length, is taken as |
| A. | 0.000008 |
| B. | 0.000010 |
| C. | 0.000012 |
| D. | 0.000014 |
| Answer» D. 0.000014 | |
| 178. |
The maximum axial load which is just sufficient to keep a column in a smalldeflected shape, is called |
| A. | Crippling load |
| B. | Buckling load |
| C. | Critical load |
| D. | All the above |
| Answer» E. | |
| 179. |
Maximum permissible slenderness ratio of a member normally acting as a tie in aroof truss, is |
| A. | 180 |
| B. | 200 |
| C. | 250 |
| D. | 350 |
| Answer» E. | |
| 180. |
The greatest gauge of long rivets should not exceed (where d is the diameter of theholes). |
| A. | 2 d |
| B. | 4 d |
| C. | 6 d |
| D. | 8 d |
| Answer» E. | |
| 181. |
Bearing stiffeners are provided at(i) The supports(ii) The mid span(iii) The point of application of concentrated loadsThe correct answer is |
| A. | Only (i) |
| B. | Both (i) and (ii) |
| C. | Both (i) and (iii) |
| D. | (i), (ii) and (iii) |
| Answer» D. (i), (ii) and (iii) | |
| 182. |
The capacity of the smallest pressed steel tank is 1000 litre |
| A. | 1650 litre |
| B. | 1950 litre |
| C. | 2450 litre |
| D. | none |
| Answer» D. none | |
| 183. |
If P is the wind pressure in kg/cm2 , v is the velocity in km/hour and K is a constant of proportionality, then |
| A. | P = K/v2 |
| B. | v = K/P2 |
| C. | P = Kv2 |
| D. | P = Kv |
| Answer» D. P = Kv | |
| 184. |
The allowable shear stress in the web of mild steel beams decreases with (Where 'h is thickness) |
| A. | Decrease in h/t ratio |
| B. | Increase in h/t ratio |
| C. | Decrease in thickness |
| D. | Increase in height |
| Answer» C. Decrease in thickness | |
| 185. |
When the axis of load lies in the plane of rivet group, then the most heavily loaded rivet will be the one which moment in any rivet.) |
| A. | Is at the maximum distance from CG of the rivet group |
| B. | Is at the minimum distance from CG of the rivet group |
| C. | Gives the maximum angle between the two forces Fa and Fm |
| D. | Gives the minimum angle between the two forces Fa and Fm |
| Answer» E. | |
| 186. |
When the ratio of the moment M to axial load P is greater than L/6, the resultant of the compressive bearing pressure which acts at a distance Y from one side, is given by |
| A. | y = (L/3) - (M/P) |
| B. | y = (L/2) - (P/M) |
| C. | y = (L/2) + (M/P) |
| D. | y = (L/3) + (M/P) |
| Answer» C. y = (L/2) + (M/P) | |
| 187. |
According to the Unwin's formula, if is thickness of the plate in mm, the nominal diameter of the rivet, is |
| A. | d = 1.91 t |
| B. | d = 1.91 t2 |
| C. | d = 1.91 t |
| D. | d = 1.91 t |
| Answer» D. d = 1.91 t | |
| 188. |
For steel members not exposed to weather, the thickness of steel should not be lessthan |
| A. | 4.5 mm |
| B. | 6 mm |
| C. | 8 mm |
| D. | 10 mm |
| Answer» C. 8 mm | |
| 189. |
The connection of intermediate vertical stiffeners to the web, not subjected to external loads, shall be designed for a minimum shear force (kN/m) of (Where, t = the web thickness in mm and h = the outstand of stiffener in mm) |
| A. | 75 t²/h |
| B. | 125 t3/h² |
| C. | 125 t²/h |
| D. | 175 t²/h |
| Answer» D. 175 t²/h | |
| 190. |
If is the maximum allowable bending stress in a tension member whose radius of gyration is and depth is 2y, the required cross sectional area is given by |
| A. | A = My/fr² |
| B. | A = My²/fr² |
| C. | A = My/fr |
| D. | A = My/f²r² |
| Answer» B. A = My²/fr² | |
| 191. |
For a compression member with double angle section, which of the followingsection will give larger value of minimum radius of gyration? |
| A. | Equal angles back to back |
| B. | Unequal legged angles with long legs back to back |
| C. | Unequal legged angles with short legs back to back |
| D. | Both (B) and (C) |
| Answer» C. Unequal legged angles with short legs back to back | |
| 192. |
For a compression member with double angle section, which of the following section will give larger value of minimum radius of gyration? |
| A. | equal angles back to back |
| B. | unqual legged angles with long legs back to back |
| C. | unequal legged angles with short legs back to back |
| D. | both (b) or (c) |
| Answer» C. unequal legged angles with short legs back to back | |
| 193. |
The allowable shear stress in the web of mild steel beams decreases with (where ‘h’ is height and t is thickness) |
| A. | decrease in h/t ratio |
| B. | increase in h/t ratio |
| C. | decrease in thickness |
| D. | increase in height |
| Answer» C. decrease in thickness | |
| 194. |
The diameter of base of conical flare of a steel stack is (where d is the diameter of the cylindrical part) |
| A. | less than d |
| B. | equal to d |
| C. | more than d |
| D. | any of the above |
| Answer» D. any of the above | |
| 195. |
The effective length of a battened strut effectively held in position at both ends but not restrained in direction is taken as |
| A. | 1.8 L |
| B. | 1.3 L |
| C. | 1.1 L |
| D. | 1.5 L |
| Answer» D. 1.5 L | |
| 196. |
Study the following statements.i) Top lateral bracing prevents the sidesway buckling of the chord.ii) Sway bracing keeps the rectangular shape of the bridge cross-section.iii) Sway bracing transfers the load from top of end posts to bearings.The correct answer is |
| A. | only (i) |
| B. | both (i) and (ii) |
| C. | both (i) and (iii) |
| D. | all (i), (ii) and (iii) |
| Answer» C. both (i) and (iii) | |
| 197. |
The effect of racking forces is considered in the design ofi) lateral bracesii) chord membersThe correct answer is |
| A. | only (i) |
| B. | only (ii) |
| C. | both (i) and (ii) |
| D. | none of the above |
| Answer» B. only (ii) | |
| 198. |
As per IS : 875, for the purposes of specifying basic wind velocity, the country has been divided into |
| A. | 4 zones |
| B. | 5 zones |
| C. | 6 zones |
| D. | 7 zones |
| Answer» D. 7 zones | |
| 199. |
Minimum pitch provided in riveted steel tanks is (where d is diameter of rivets) |
| A. | 1.5 d |
| B. | 2.0 d |
| C. | 2.5 d |
| D. | 3.0 d |
| Answer» E. | |
| 200. |
Bearing stiffeners are provided ati) the supportsii) the mid spaniii) the point of application of concentrated loadsThe correct answer is |
| A. | only (i) |
| B. | both (i) and (ii) |
| C. | both (i) and (iii) |
| D. | (i), (ii) and (iii) |
| Answer» D. (i), (ii) and (iii) | |