Explore topic-wise MCQs in Advanced Machining.

This section includes 2460 Mcqs, each offering curated multiple-choice questions to sharpen your Advanced Machining knowledge and support exam preparation. Choose a topic below to get started.

1101.

In ________ no two aborts occur unless two concurrent transactions update the same data item.

A. Multiversion scheme
B. Timestamp protocol
C. Lock based protocol
D. Snapshot isolation
Answer» E.
1102.

State true or false: Snapshot isolation has low overhead

A. True
B. False
Answer» B. False
1103.

In _______ schemes, each write operation creates a new version of Q

A. Multiversion
B. Snapshot isolation
C. Lock based
D. Timestamp
Answer» B. Snapshot isolation
1104.

If the target organism contains more than one copy of the gene, what is the effect on these copies?

A. Only copy is disrupted
B. All the copies are disrupted
C. It is difficult to ensure that all the copies are disrupted
D. Only a specified number of copies are disrupted
Answer» D. Only a specified number of copies are disrupted
1105.

If ______ gene is there, the double crossover may leave ________ in the chromosome.

A. linear, functional copy
B. circular, functional copy
C. linear, a non-functional copy
D. circular, a non-functional copy
Answer» C. linear, a non-functional copy
1106.

Stable acquisition of the marker can take place only if a double crossover over the flanking sequence and their chromosomal counterparts causes the marker’s integration into the chromosome.

A. True
B. False
Answer» B. False
1107.

The inactivation of endogenous genes may also be helpful in directing the expression of the mutated gene in the absence of background expression of wild type gene.

A. True
B. False
Answer» B. False
1108.

The minor change in amino acid sequence can lead to _______ effect on three dimensional structure and there _____ in the primary sequence.

A. huge, may be no change
B. no, may be huge change
C. very less, is very less change
D. huge, would be huge change
Answer» B. no, may be huge change
1109.

A viscous fluid is used for anti-icing the aircraft.

A. False
B. True
Answer» C.
1110.

Which of the following is not caused due to ice on aircraft?

A. Critical control surfaces become rough and uneven
B. Disruption of smooth air flow
C. Increased drag
D. De pressurization
Answer» E.
1111.

What is the full form of LOUT?

A. Lower operational use tank
B. Limited operational use temperature
C. Lower operational use temperature
D. Limited operational use tank
Answer» D. Limited operational use tank
1112.

All anti-ice fluids offer _________ protection.

A. Limited
B. Complete
C. Permanent
D. Artificial
Answer» B. Complete
1113.

A de-icing fluid fails when it can no longer absorb the __________

A. Metal
B. Contaminant
C. Air particles
D. Rust particles
Answer» C. Air particles
1114.

Which of the following is a low cost pavement de-icing mixture?

A. Carbon Mixture
B. Aluminum mixture
C. Urea mixture
D. Quartz Mixture
Answer» D. Quartz Mixture
1115.

Which of the following compounds are not used at airports?

A. Ethylene based
B. Chloride based
C. Propylene based
D. Copper based
Answer» C. Propylene based
1116.

Which of the following is a suitable place to perform infrared heating de-icing?

A. Apron
B. Aircraft bay
C. Hangar
D. MRO facility
Answer» D. MRO facility
1117.

Propylene glycol is less toxic than ethylene glycol.

A. False
B. True
Answer» C.
1118.

Mortising does locking at given angles.

A. True
B. False
Answer» B. False
1119.

What should the radius of fillet be to allow fillet sharp angles?

A. More than 15mm
B. Less than 10mm
C. Between 10mm and 15mm
D. More than 20mm
Answer» C. Between 10mm and 15mm
1120.

The following wooden workpiece is which type of pattern set?

A. Cylindrical
B. Trough shaped
C. Drum-type
D. Rectangular
Answer» E.
1121.

What shape does fillet pieces have?

A. Convex
B. Concave
C. Convex and concave
D. Plane
Answer» C. Convex and concave
1122.

Design of pattern elements and method of jointing depend on?

A. Strength
B. Hardness
C. Ductility
D. Brittleness
Answer» B. Hardness
1123.

Rectangular wooden workpiece of a pattern set is not used for making?

A. Shields
B. Boards
C. Boxes
D. Drum type elements
Answer» E.
1124.

Wooden workpieces of a pattern set come in which of the following type?

A. Triangular
B. Circular
C. Hexagonal
D. Pentagonal
Answer» C. Hexagonal
1125.

Which method is used for locking planks and bars?

A. Mortising
B. Building-up
C. Soldering
D. Brazing
Answer» B. Building-up
1126.

Building-up process is used for making what?

A. Shields and boards
B. Dowels
C. Round pins
D. Belts
Answer» B. Dowels
1127.

To join pieces of timber in width and thickness is called?

A. Pattern filling
B. Mortising
C. Building-up
D. Brazing
Answer» D. Brazing
1128.

Which of the following are the several architectural issues for system’s testability?

A. Its level of architectural documentation
B. Its separation of concerns
C. The degree to which the system uses information hiding
D. All of the mentioned
Answer» E.
1129.

What is true for a system to be proper testable?

A. It must be possible to control each components internal state and then observe its output
B. It must be possible to control each components output and then observe its internal state
C. it may or may not be possible to control each components internal state and then observe its output
D. None of the mentioned
Answer» B. It must be possible to control each components output and then observe its internal state
1130.

What is reuability?

A. Designing such that system’s structure or some of its components can be reused again in future applications
B. Reusability is related to software architecture in that architectural components are the units of reuse
C. All of the mentioned
D. None of the mentioned
Answer» D. None of the mentioned
1131.

Which of the following factors are not discernable by run-time?

A. Modifiability
B. Portability
C. Reusability
D. All of the mentioned
Answer» E.
1132.

In water bound macadam roads, binding material is Brick dust.

A. True
B. False
Answer» C.
1133.

An impermeable layer is provided at the bed and sides of canal to improve the life and discharge capacity of canal known as ______________

A. canal modification
B. canal concreting
C. canal lining
D. canal regulation
Answer» D. canal regulation
1134.

The kind of canal section involved in irrigation work is __________

A. canal high in embankment in partly in excavation
B. canal partly in excavation and partly in embankment
C. canal less in embankment
D. canal half in excavation
Answer» C. canal less in embankment
1135.

Which of the following expression is correct regarding deoxygenation constant where symbols have their usual meaning?

A. KDT = KD20 + (1.047)T-20
B. KDT = KD20 / (1.047)T-20
C. KDT = KD20 (1.047)T-20
D. KDT = KD20 (1.04T)
Answer» D. KDT = KD20 (1.04T)
1136.

5 days BOD at 20oC is ___ of total demand.

A. 20%
B. 47%
C. 68%
D. 100%
Answer» D. 100%
1137.

The oxidizing agent used in COD test is ___________

A. Potassium chloride
B. Potassium per-manganate
C. Potassium chromate
D. Potassium dichromate
Answer» E.
1138.

COD is abbreviated as ___________

A. Chemical oxygen demand
B. Complex oxygen demand
C. Customary oxygen demand
D. Chemical oxygen deficit
Answer» B. Complex oxygen demand
1139.

The expression of relative stability at 37oC is given by ___________

A. S = (1-(0.794)T37)
B. S = 100 (1-(0.794)T37)
C. S = 1-(0.794)T20
D. S = 100 (1-(0.630)T37)
Answer» E.
1140.

The expression of relative stability at 20oC is given by ___________

A. S = (1-(0.794)T20)
B. S = 100 (1-(0.794)T20)
C. S = 1-(0.794)T20
D. S = 100 (0.794)T20
Answer» C. S = 1-(0.794)T20
1141.

The average standard BOD of domestic sewage is measured in ____________

A. ppm
B. Kg/day
C. Kg per person per day
D. Number of persons per day
Answer» D. Number of persons per day
1142.

A backfill of a retaining wall consists of γ=19 kN/m3 which is 6 m high. Find the lateral earth pressure per meter length. Given coefficient of earth pressure at rest is 0.5.

A. 43 kN/m2
B. 57 kN/m2
C. 48 kN/m2
D. 76 kN/m2
Answer» C. 48 kN/m2
1143.

For μ=0.3, find K0.

A. 0.429
B. 0.289
C. 0.536
D. 0.375
Answer» B. 0.289
1144.

If K0=0.4, then find the value of µ.

A. 0.438
B. 0.286
C. 0.472
D. 0.592
Answer» C. 0.472
1145.

A backfill of a retaining wall consists of γ=19 kN/m3 which is 6 m high. Find the total earth pressure per meter length. Given coefficient of earth pressure at rest is 0.5.

A. 165 kN/m
B. 178 kN/m
C. 171 kN/m
D. 345 kN/m
Answer» D. 345 kN/m
1146.

For cohesion-less soil, the angle of internal friction is 45°, find the K0.

A. 0.429
B. 0.784
C. 0.293
D. 0.334
Answer» D. 0.334
1147.

The coefficient of earth pressure at rest is represented as _________ expression given by Jaky.

A. K0=1-sinφ
B. K0=sinφ
C. K0=1-cosφ
D. K0=cosφ
Answer» B. K0=sinφ
1148.

The total earth pressure P0 at rest per unit length for vertical height H is _______

A. \(P_0=\frac{1}{2}K_0γH^2\)
B. P0=γH2
C. P0=K0 γH2
D. \(P_0=\frac{1}{2}K_0H^2\)
Answer» B. P0=γH2
1149.

The pressure distribution diagram for earth pressure at rest is _______

A. circular
B. triangular
C. rectangular
D. square
Answer» C. rectangular
1150.

If γ is the unit weight of soil, then the lateral earth pressure at depth z of soil mass is ______

A. \(σ_h=\frac{3}{2} K_0 z\)
B. σh=γz
C. σh=-K0 γz
D. σh=K0 γz
Answer» E.