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MCQOPTIONS
This section includes 346 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
Which of these are followed in case of software design process? |
| A. | analysis occurs at start of product design with a product idea |
| B. | analysis occurs at the end of engineering design with the srs |
| C. | product design resolution produces the design document |
| D. | engineering design resolution produces the srs |
| Answer» B. analysis occurs at the end of engineering design with the srs | |
| 52. |
Which of these is not in sequence for generic problem solving strategy? |
| A. | understand the problem |
| B. | generate candidate solutions |
| C. | iterate if no solution is adequate |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 53. |
Software Design consists of |
| A. | software product design |
| B. | software engineering design |
| C. | software product & engineering design |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 54. |
RAID-1 is also known as mirroring. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 55. |
The minimum number of disks in RAID level 4 is five. |
| A. | true |
| B. | false |
| Answer» C. | |
| 56. |
Which of the following is also known as striping? |
| A. | raid 2 |
| B. | raid 0 |
| C. | raid 1 |
| D. | raid 2 |
| Answer» C. raid 1 | |
| 57. |
Which of the following is the heart of a SCADA system? |
| A. | plc |
| B. | hmi |
| C. | alarm task |
| D. | i/o task |
| Answer» E. | |
| 58. |
The minimum number of disks in RAID level 2 is |
| A. | 3 |
| B. | 4 |
| C. | 2 |
| D. | 1 |
| Answer» B. 4 | |
| 59. |
Which of the following is not the component of a SCADA system? |
| A. | database server |
| B. | i/o system |
| C. | plc controller |
| D. | sparger controller |
| Answer» E. | |
| 60. |
How many levels are present in a complex SCADA system? |
| A. | 3 – levels |
| B. | 5 – levels |
| C. | 4 – levels |
| D. | 6 – levels |
| Answer» D. 6 – levels | |
| 61. |
Which of the following is used for centralized network databases? |
| A. | raid 2 |
| B. | raid 5 |
| C. | raid 1 |
| D. | raid 2 |
| Answer» C. raid 1 | |
| 62. |
The control in SCADA is |
| A. | online control |
| B. | direct control |
| C. | supervisory control |
| D. | automatic control |
| Answer» D. automatic control | |
| 63. |
What is SCADA? |
| A. | software |
| B. | process |
| C. | system |
| D. | hardware |
| Answer» C. system | |
| 64. |
Which of the following is an example of the SCADA system? |
| A. | emerson delta v |
| B. | honeywell plantscape |
| C. | yokogawa centum |
| D. | powerstudio deluxe |
| Answer» E. | |
| 65. |
DCS is a |
| A. | distributed control system |
| B. | data control system |
| C. | data column system |
| D. | distributed column system |
| Answer» B. data control system | |
| 66. |
What is the full form of SCADA? |
| A. | supervisory control and document acquisition |
| B. | supervisory control and data acquisition |
| C. | supervisory column and data assessment |
| D. | supervisory column and data assessment |
| Answer» C. supervisory column and data assessment | |
| 67. |
When dealing with the branching code the assembler |
| A. | replaces the target with its address |
| B. | does not replace until the test condition is satisfied |
| C. | finds the branch offset and replaces the branch target with it |
| D. | replaces the target with the value specified by the dataword directive |
| Answer» D. replaces the target with the value specified by the dataword directive | |
| 68. |
The purpose of the ORIGIN directive is |
| A. | to indicate the starting position in memory, where the program block is to be stored |
| B. | to indicate the starting of the computation code |
| C. | to indicate the purpose of the code |
| D. | to list the locations of all the registers used |
| Answer» B. to indicate the starting of the computation code | |
| 69. |
Instructions which won’t appear in the object program are called as |
| A. | redundant instructions |
| B. | exceptions |
| C. | comments |
| D. | assembler directives |
| Answer» E. | |
| 70. |
                     converts the programs written in assembly language into machine instructions. |
| A. | machine compiler |
| B. | interpreter |
| C. | assembler |
| D. | converter |
| Answer» D. converter | |
| 71. |
The clearance time is indicated by |
| A. | red |
| B. | amber |
| C. | green |
| D. | white |
| Answer» C. green | |
| 72. |
STOP sign is having |
| A. | octagonal shape |
| B. | circular shape |
| C. | triangular shape |
| D. | any shape |
| Answer» B. circular shape | |
| 73. |
Give way sign is of |
| A. | triangular shape |
| B. | circular shape |
| C. | octagonal shape |
| D. | hexagonal shape |
| Answer» B. circular shape | |
| 74. |
The diameter of the small size information board is? |
| A. | 600mm |
| B. | 900mm |
| C. | 1200mm |
| D. | 1500mm |
| Answer» B. 900mm | |
| 75. |
The specifications for road signs are specified by |
| A. | irc 6 |
| B. | irc 21 |
| C. | irc 67 |
| D. | irc 97 |
| Answer» D. irc 97 | |
| 76. |
Which type of board should be installed if the speed limit is 100kmph? |
| A. | small |
| B. | medium |
| C. | large |
| D. | not required |
| Answer» D. not required | |
| 77. |
The maximum number of conflict points is formed in |
| A. | one way regulation on one road |
| B. | one way regulation on two roads |
| C. | two way regulation on one road |
| D. | two way regulation on both roads |
| Answer» E. | |
| 78. |
The total conflict points at a junction on both two way roads are? |
| A. | one |
| B. | four |
| C. | five |
| D. | six |
| Answer» E. | |
| 79. |
Which of the following is a disadvantage in one way traffic? |
| A. | increase in average travel speed |
| B. | more effective coordination of signal system |
| C. | more stream lined movement of vehicles |
| D. | more chances of overtaking |
| Answer» E. | |
| 80. |
The symbol when violated which may lead to offense is? |
| A. | cautionary |
| B. | mandatory |
| C. | informatary |
| D. | both informatory and cautionary |
| Answer» C. informatary | |
| 81. |
Traffic symbols are classified into how many categories? |
| A. | one |
| B. | two |
| C. | three |
| D. | four |
| Answer» D. four | |
| 82. |
What is the step angle of a permanent- magnet stepper motor having 8 stator poles |
| A. | clear visibility |
| B. | easy recognition |
| C. | sufficient time for driver |
| D. | traffic population |
| Answer» E. | |
| 83. |
The minimum age for attaining a license for a geared vehicle is? |
| A. | 16 years |
| B. | 18 years |
| C. | 20 years |
| D. | 21 years |
| Answer» C. 20 years | |
| 84. |
What is the first phase of traffic regulation? |
| A. | driver controls |
| B. | vehicle controls |
| C. | traffic flow regulations |
| D. | general controls |
| Answer» B. vehicle controls | |
| 85. |
Which of the following phase switching sequence represents half-step operation of a VR stepper motor ? |
| A. | a, b, c,a…….. |
| B. | a, c, b,a……. |
| C. | ab, bc, ca, ab…….. |
| D. | a, ab, b, bc…….. |
| Answer» E. | |
| 86. |
The rotational speed of a given stepper motor is determined solely by the |
| A. | shaft load |
| B. | step pulse frequency |
| C. | polarity of stator current |
| D. | magnitude of stator current. |
| Answer» C. polarity of stator current | |
| 87. |
The rotor of a stepper motor has no |
| A. | windings |
| B. | commutator |
| C. | brushes |
| D. | all of the mentioned |
| Answer» E. | |
| 88. |
If a hybrid stepper motor has a rotor pitch of 36º and a step angle of 9º, the number of its phases must be |
| A. | 4 |
| B. | 2 |
| C. | 3 |
| D. | 6 |
| Answer» B. 2 | |
| 89. |
A stepper motor having a resolution of 300 steps/rev and running at 2400 rpm has a pulse rate of- pps. |
| A. | 4000 |
| B. | 8000 |
| C. | 6000 |
| D. | 10,000 |
| Answer» D. 10,000 | |
| 90. |
A variable reluctance stepper motor is constructed of                              material with salient poles. |
| A. | paramagnetic |
| B. | ferromagnetic |
| C. | diamagnetic |
| D. | non-magnetic |
| Answer» C. diamagnetic | |
| 91. |
Why Vref is set of ADC0848 to 2.56 V if analog input is connected to the LM35? |
| A. | to set the step size of the sampled input |
| B. | to set the ground for the chip |
| C. | to provide supply to the chip |
| D. | all of the mentioned |
| Answer» B. to set the ground for the chip | |
| 92. |
What is signal conditioning? |
| A. | to analyse any signal |
| B. | conversion or modification is referred to as conditioning |
| C. | conversion from analog to digital is signal conditioning |
| D. | conversion from digital to analog is signal conditioning |
| Answer» C. conversion from analog to digital is signal conditioning | |
| 93. |
What steps have to be followed for interfacing a sensor to a microcontroller 8051? |
| A. | make the appropriate connections with the controller, adc conversion, analyse the results |
| B. | interface sensor with adc and adc with 8051 |
| C. | interface sensor with the max232, send now to microcontroller, analyse the results |
| D. | none of the mentioned |
| Answer» C. interface sensor with the max232, send now to microcontroller, analyse the results | |
| 94. |
An electronic device which converts physical quantity or energy from one form to another is called |
| A. | sensor |
| B. | transistor |
| C. | transducer |
| D. | thyristor |
| Answer» D. thyristor | |
| 95. |
What is the difference between LM 34 and LM 35 sensors? |
| A. | one is a sensor and the other is a transducer |
| B. | one’s output voltage corresponds to the fahrenheit temperature and the other corresponds to the celsius temperature |
| C. | one is of low precision and the other is of higher precision |
| D. | one requires external calibration and the other doesn’t require it |
| Answer» C. one is of low precision and the other is of higher precision | |
| 96. |
A thermistor is a |
| A. | sensor |
| B. | adc |
| C. | transducer |
| D. | micro controller |
| Answer» D. micro controller | |
| 97. |
The RS pin is                    for an LCD. |
| A. | input |
| B. | output |
| C. | input & output |
| D. | none of the mentioned |
| Answer» B. output | |
| 98. |
Which instruction is used to select the first row first column of an LCD? |
| A. | 0x08 |
| B. | 0x0c |
| C. | 0x80 |
| D. | 0xc0 |
| Answer» D. 0xc0 | |
| 99. |
Which of the following step/s is/are correct for sending data to an LCD? |
| A. | set the r/w bit |
| B. | set the e bit |
| C. | set the rs bit |
| D. | all of the mentioned |
| Answer» E. | |
| 100. |
Which command is used to select the 2 lines and 5*7 matrix of an LCD? |
| A. | 0x01 |
| B. | 0x06 |
| C. | 0x0e |
| D. | 0x38 |
| Answer» E. | |