MCQOPTIONS
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MCQOPTIONS
This section includes 410 Mcqs, each offering curated multiple-choice questions to sharpen your Arithmetic Ability knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
What is the angular difference between j4 and –j4? |
| A. | 90° |
| B. | 30° |
| C. | 270° |
| D. | 180° |
| Answer» E. | |
| 52. |
Four battery each of 12 V are joined in parallel. The equivalent voltage will be __ |
| A. | 12 V |
| B. | 48 V |
| C. | 6 V |
| D. | 24 V |
| Answer» B. 48 V | |
| 53. |
When performing subtraction by addition in the 2\'s-complement system: |
| A. | the minuend is changed to 2's-complement and the subtrahend is left in its original form |
| B. | the minuend and the subtrahend are both changed to the 2's-complement. |
| C. | the minuend and subtrahend are both left in their original form. |
| D. | the minuend is left in its original form and the subtrahend is changed to its 2's-complement. |
| Answer» E. | |
| 54. |
For handling greater currents induction wattmeters are used in conjunction with |
| A. | current transformers |
| B. | potential transformers |
| C. | either of the above |
| D. | power transformers |
| Answer» B. potential transformers | |
| 55. |
The transfer function of a system is defined as: |
| A. | Laplace transform of the step response |
| B. | The laplace transform of the impulse response |
| C. | Laplace transform of the sinusoidal input |
| D. | Laplace transform of the ramp response |
| Answer» C. Laplace transform of the sinusoidal input | |
| 56. |
Kirchhoff\'s second law is based on law of conservation of |
| A. | energy |
| B. | charge |
| C. | mass. |
| D. | momentum |
| Answer» B. charge | |
| 57. |
The diameter of the nucleus of an atom is of the order of |
| A. | 10 -25 m |
| B. | 10 -31 m |
| C. | 10 -14m. |
| D. | 10 -21 m |
| Answer» D. 10 -21 m | |
| 58. |
The two\'s-complement system is to be used to add the signed numbers 11110010 and 11110011. Determine, in decimal, the sign and value of each number and their sum. |
| A. | –113 and –114, 227 |
| B. | –14 and –13, –27 |
| C. | –11 and –16, –27 |
| D. | –27 and –13, 40 |
| Answer» C. –11 and –16, –27 | |
| 59. |
When P = Power, V = Voltage, I = Current, R = Resistance and G = Conductance, which of the following relation is incorrect? |
| A. | P= V2G |
| B. | V = √ (PR) |
| C. | I =√ (P / R) |
| D. | G= P / I2 |
| Answer» E. | |
| 60. |
Junction breakdown occurs: |
| A. | With reverse bias |
| B. | With forward bias |
| C. | Because of excess heating of the diode |
| D. | Under high temperature condition |
| Answer» B. With forward bias | |
| 61. |
The use of high speed breakers can |
| A. | Decrease the transient stability |
| B. | Increase the transient stability |
| C. | Decrease the steady state stability |
| D. | Increase the steady state stability |
| Answer» C. Decrease the steady state stability | |
| 62. |
The ratio of the resistance of a 100 W, 220 V lamp to that of a 100 W, 110 V lamp will be nearly |
| A. | 2 |
| B. | 4 |
| C. | 01-02-2015 |
| D. | 01-04-2015 |
| Answer» E. | |
| 63. |
An open cubical tank of 2 m side is filled with water. If the tank is rotated with an acceleration such that half of the water spills out, then the acceleration is equal to |
| A. | g/2 |
| B. | g/3 |
| C. | g |
| D. | 2g/3 |
| Answer» D. 2g/3 | |
| 64. |
A transmission is said to be _____________ if the response of the system is exactreplica of the input signal. |
| A. | Distorted |
| B. | LTI |
| C. | Causal |
| D. | Distortionless |
| Answer» E. | |
| 65. |
A man’s age is 150% of what it was 10 years ago, but 75% of what it will be after 10 years. What is his present age? |
| A. | 30 years |
| B. | 25 years |
| C. | 40 years |
| D. | 35 years |
| Answer» B. 25 years | |
| 66. |
When a magnet is in motion relative to a coil the induced e.m.f. does not depend upon |
| A. | motion of the magnet |
| B. | resistance of the coil |
| C. | pole strength of the magnet |
| D. | number of turns of the coil |
| Answer» C. pole strength of the magnet | |
| 67. |
the initial state of a MOD-16 down counter is 0110. What state will it be after 37 clock pulses? |
| A. | 110 |
| B. | Indeterminate |
| C. | 1 |
| D. | 101 |
| Answer» D. 101 | |
| 68. |
The impulse function is a derivative of __ function: |
| A. | Linear |
| B. | Parabolic |
| C. | Step |
| D. | Ramp |
| Answer» D. Ramp | |
| 69. |
When multiplying 13 × 11 in binary, what is the third partial product? |
| A. | 0 |
| B. | 1011 |
| C. | 100001 |
| D. | 100000 |
| Answer» B. 1011 | |
| 70. |
Tunnel diode is a: |
| A. | Has light doping |
| B. | Power diode |
| C. | Is a reverse recovery diode |
| D. | Has heavy doping |
| Answer» E. | |
| 71. |
Each instruction in an assembly program has the following fields: 1. Label field, 2. mnemonic field, 3. Operand field, 4. Comment field. The correct sequence/order of these fields is |
| A. | 1, 2, 4, 3 |
| B. | 1, 2, 3, 4 |
| C. | 2, 1, 4, 3 |
| D. | 2, 1, 3, 4 |
| Answer» C. 2, 1, 4, 3 | |
| 72. |
A 12 k ohm resistor is in series with a 0.02 F capacitor across a 1.2 kHz ac source. If the current is expressed in polar form as I = 0.3 |
| A. | 411.3 V |
| B. | 45.6 V |
| C. | 4.11 V |
| D. | 0.411 V |
| Answer» D. 0.411 V | |
| 73. |
Transfer function of the control system depends on |
| A. | System parameters alone |
| B. | Initial conditions of input and output |
| C. | Nature of the output |
| D. | Nature of the input |
| Answer» B. Initial conditions of input and output | |
| 74. |
The binary subtraction 0 – 0 = |
| A. | difference = 1 borrow = 0 |
| B. | difference = 0 borrow = 0 |
| C. | difference = 0 borrow = 1 |
| D. | difference = 1 borrow = 1 |
| Answer» C. difference = 0 borrow = 1 | |
| 75. |
The equal area criteria of stability is used for: |
| A. | Transient state stability limit |
| B. | Steady state stability limit |
| C. | None of the above |
| D. | Instability |
| Answer» E. | |
| 76. |
A normally consolidated clay settled 10 mm when effective stress was increased from 100 kN/m2 to 200 kN/ m2. If the effective stress is further increased from 200 kN/ m2 to 400 kN/ m2, then the settlement of the same clay is |
| A. | 20 mm |
| B. | 10 mm |
| C. | none of the above |
| D. | 40 mm |
| Answer» C. none of the above | |
| 77. |
Type of modulation used in visual section of a transmitter. |
| A. | F.M. |
| B. | Positive M. |
| C. | None of the above. |
| D. | Negative M. |
| Answer» B. Positive M. | |
| 78. |
The total resistance of a circuit is 680 ohm . The percentage of the total voltage appearing across a 47 ohm resistor that makes up part of the total series resistance is |
| A. | 0.47 |
| B. | 0.68 |
| C. | 0.0691 |
| D. | 0.69 |
| Answer» E. | |
| 79. |
In a consolidated drained test on a normally consolidated clay, the volume of the soil sample during shear |
| A. | increases |
| B. | decreases |
| C. | first increases and then decreases |
| D. | remains unchanged |
| Answer» D. remains unchanged | |
| 80. |
Due to a rise in temperature, the viscosity and the unit weight of the percolating fluid are reduced to 60% and 90% respectively.If other things remain constant, the coefficient of permeability |
| A. | increases by 50% |
| B. | increases by 25% |
| C. | decreases by 33.3% |
| D. | increases by 33.3% |
| Answer» B. increases by 25% | |
| 81. |
We have three resistances of values 2 Ω, 3 Ω and 6 Ω. Which of the following combination will give an effective resistance of 4 Ω? |
| A. | 2 Ω resistance in series with parallel combination of 3 Ω and 6 Ω resistance |
| B. | All the three resistances in parallel |
| C. | 6 Ω resistance in series with parallel combination of 2 Ω and 3 Ω resistance |
| D. | 3 Ω resistance in series with parallel combination of 2 Ω and 6 Ω resistance |
| Answer» B. All the three resistances in parallel | |
| 82. |
The age of a man is three times the sum of the ages of his two sons. Five years hence, his age will be double of the some of the ages of his sons. The father’s present age is : |
| A. | 36 years |
| B. | 29 years |
| C. | 45 years |
| D. | 42 years |
| Answer» D. 42 years | |
| 83. |
The time lag, between initiating a query and receiving a response is called |
| A. | Waiting time |
| B. | Response time |
| C. | Turn around time |
| D. | Processing time |
| Answer» D. Processing time | |
| 84. |
If [A] = 1011 1010, [B] = 0011 0110, and [C] = [A] • [B], what is [C 4..2] in decimal? |
| A. | 2 |
| B. | 1 |
| C. | 4 |
| D. | 3 |
| Answer» D. 3 | |
| 85. |
A circle will appear on an isometric drawing as a(n) __________ . |
| A. | cycloid |
| B. | ellipse |
| C. | parabola |
| D. | circle |
| Answer» C. parabola | |
| 86. |
When TIG welding Austenitic Stainless Steel pipe, Argon gas baking is called for. This is to |
| A. | Prevent under bead cracking |
| B. | Prevent oxidation |
| C. | Control the penetration bead shape |
| D. | Prevent porosity |
| Answer» C. Control the penetration bead shape | |
| 87. |
The Difference between video I.F. & audio I. F in TV transmitter is |
| A. | 3.50 MHz |
| B. | 4.43 MHz |
| C. | None of the above. |
| D. | 5.50 MHz |
| Answer» E. | |
| 88. |
The total resistance of eight 5.6 k ohm resistors in series is |
| A. | 5,600 ohm |
| B. | 85,600 ohm |
| C. | 44,800 ohm |
| D. | 4,480 ohm |
| Answer» D. 4,480 ohm | |
| 89. |
A Combination logic circuit that is used when it is desired to send data from two or more source through a single transmission line is known as- |
| A. | Encoder |
| B. | Decoder |
| C. | De multiplexer |
| D. | Multiplexer |
| Answer» D. Multiplexer | |
| 90. |
Schottky barrier diode can be used as: |
| A. | Variable capacitance device |
| B. | Low noise amplifier |
| C. | Low level detector |
| D. | Power supply rectifier |
| Answer» D. Power supply rectifier | |
| 91. |
Gilbert is a unit of |
| A. | magnetomotive force |
| B. | electromotive force |
| C. | permittivity |
| D. | conductance |
| Answer» B. electromotive force | |
| 92. |
Two resistors are in series: a 5.6 k ohm resistor and a 4.7 k ohm resistor. The voltage drop across the 5.6 k ohm resistor is 10 V. The voltage across the 4.7 k ohm resistor is |
| A. | 10 V |
| B. | 8.39 V |
| C. | 0 V |
| D. | 2.32 V |
| Answer» C. 0 V | |
| 93. |
Bernoulli\'s equation is dependent on the |
| A. | third law of thermodynamics. |
| B. | first law of thermodynamics. |
| C. | none of these. |
| D. | law of conservation of momentum. |
| Answer» D. law of conservation of momentum. | |
| 94. |
In extreme cases variation of coding: debugging ability ofprogrammers has been reported to be |
| A. | 1:1 |
| B. | 1:30 |
| C. | 1:5 |
| D. | 1:2 |
| Answer» E. | |
| 95. |
Which of the following types of soil is transported by gravitational forces ? |
| A. | talus |
| B. | loess |
| C. | dune sand |
| D. | drift |
| Answer» B. loess | |
| 96. |
The varactor diode is usually |
| A. | reverse biased |
| B. | Forward biased |
| C. | holes and electronics |
| D. | Unbiased |
| Answer» B. Forward biased | |
| 97. |
Three Primary Colours in TV Transmission are |
| A. | Red, Yellow, Blue |
| B. | Red, Green, Blue. |
| C. | None of the above. |
| D. | Red, Cyan, Magenta |
| Answer» C. None of the above. | |
| 98. |
An ideal voltage source of 12 V provides a current of 150 mA to a load connected across it. If the load impedance is halved, the new load current will be |
| A. | 0.15 A |
| B. | 0.3 A |
| C. | 1.2 A |
| D. | 0.6 A |
| Answer» C. 1.2 A | |
| 99. |
Eye is more sensitive to |
| A. | Green |
| B. | Red |
| C. | Violet |
| D. | Blue |
| Answer» B. Red | |
| 100. |
Total number of stress components at a point within a soil mass loaded at its boundary is |
| A. | 6 |
| B. | 3 |
| C. | 16 |
| D. | 9 |
| Answer» E. | |