MCQOPTIONS
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MCQOPTIONS
This section includes 2242 Mcqs, each offering curated multiple-choice questions to sharpen your Php knowledge and support exam preparation. Choose a topic below to get started.
| 1001. |
Which of the following methods cannot be used for removing heavy metals from waste water? |
| A. | Activated carbon adsorption |
| B. | Denitrification |
| C. | Chemical precipitation |
| D. | Ion exchange |
| Answer» C. Chemical precipitation | |
| 1002. |
Is the approach of making subroutines effective or not? |
| A. | yes |
| B. | no |
| C. | cant be said |
| D. | depends on the conditions |
| Answer» B. no | |
| 1003. |
Which of the following instruction/s is/are used to return back to the main program after the subroutine is completed? |
| A. | ret |
| B. | reti |
| C. | ret and reti |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 1004. |
When any subroutine is called, then the first value of stack will be |
| A. | value of PC |
| B. | the return address |
| C. | none of the mentioned |
| D. | both are one and the same things |
| Answer» E. | |
| 1005. |
Which instruction is used to call functions? |
| A. | MOV |
| B. | GO |
| C. | CALL |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 1006. |
Specimen geometry has no part in controlling the rate of grain growth. |
| A. | True |
| B. | False |
| Answer» C. | |
| 1007. |
Metal grain boundaries differ from soap films. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 1008. |
The stabilization of fine grain size during heating at high temperatures requires _____ |
| A. | a large volume fraction of very small particles |
| B. | a large volume fraction of bigger particles |
| C. | planner grains |
| D. | small grain boundaries |
| Answer» B. a large volume fraction of bigger particles | |
| 1009. |
Temperature dependence of the grain-growth can be explained by ______ |
| A. | recrystallization theory |
| B. | planks theory |
| C. | assuming that grain boundaries brake due to thermal vibrations |
| D. | strain energy theory |
| Answer» D. strain energy theory | |
| 1010. |
Which can provide efficient downloading and debugging communication between the host and target system? |
| A. | pSOS+ |
| B. | pSOS+ kernel |
| C. | pHILE+ file system |
| D. | pNA+ network manager |
| Answer» E. | |
| 1011. |
When a clock signal is gated with another signal like load signal, output is not affected. |
| A. | true |
| B. | false |
| Answer» C. | |
| 1012. |
Automatic test pattern generators depend on |
| A. | map design |
| B. | layout design |
| C. | logic domain |
| D. | testing domain |
| Answer» D. testing domain | |
| 1013. |
_______ is used to start the initial sequence correctly. |
| A. | preset |
| B. | clear |
| C. | preset and clear |
| D. | clock |
| Answer» D. clock | |
| 1014. |
What dairy product is made by heating milk along with a substance called rennet? |
| A. | milk |
| B. | curd |
| C. | cheese |
| D. | butter |
| Answer» D. butter | |
| 1015. |
What is the reproduction cells from the two parents called? |
| A. | egg and ovule |
| B. | ovule and sperm |
| C. | egg and sperm |
| D. | steroid and egg |
| Answer» D. steroid and egg | |
| 1016. |
Name a piece of equipment used to fit a dairy animal. |
| A. | clipper |
| B. | towel |
| C. | feather |
| D. | bells |
| Answer» B. towel | |
| 1017. |
Which vitamin helps to stop bleeding by clotting the blood? |
| A. | vitamin A |
| B. | vitamin K |
| C. | vitamin C |
| D. | vitamin D |
| Answer» C. vitamin C | |
| 1018. |
What are the two types of dairy foods? |
| A. | juice and cream |
| B. | juice and cheese |
| C. | cheese and yogurt |
| D. | soda and cola |
| Answer» D. soda and cola | |
| 1019. |
How many points does dairy character receive on the Dairy Cow Unified Score Card? |
| A. | 10 |
| B. | 15 |
| C. | 20 |
| D. | 30 |
| Answer» D. 30 | |
| 1020. |
A circular opening, 6m diameter, in a vertical side of a tank is closed by a disc of 6m diameter which can rotate about a horizontal diameter. Calculate the force on the disc. The centre of circular opening is at the depth of 5 m. |
| A. | 1.38 MN |
| B. | 2.76 MN |
| C. | 5.54 MN |
| D. | 7.85 MN |
| Answer» B. 2.76 MN | |
| 1021. |
A tank contains water upto a height of 0.5 m above the base. An immiscible liquid of specific gravity 0.75 is filled on the top of water upto 1.5 m height. Calculate total pressure on side of the tank. |
| A. | 17780.61 N/m2 |
| B. | 35561.22 N/m2 |
| C. | 71122.44 N/m2 |
| D. | 8890.31 N/m2 |
| Answer» B. 35561.22 N/m2 | |
| 1022. |
Determine the centre of pressure on an isosceles triangle plate of base 6m and altitude 6m when it is immersed vertically in an oil of specific gravity 0.75. The base of the plate coincides with the free surface of oil. |
| A. | 6 m |
| B. | 3 m |
| C. | 9 m |
| D. | 12 m |
| Answer» C. 9 m | |
| 1023. |
A pipe line which is 6 m in diameter contains a gate valve. The pressure at the centre of the pipe is 25 N/cm2. If the pipe is filled with specific gravity 0.8, find the force exerted by the oil upon the gate. |
| A. | 7.06 MN |
| B. | 14.12 MN |
| C. | 3.53 MN |
| D. | 28.24 MN |
| Answer» B. 14.12 MN | |
| 1024. |
Does total pressure takes into the account force exerted by the fluid when it is in the dynamic motion? |
| A. | Yes |
| B. | No |
| C. | Depends on the conditions |
| D. | Depends on the type of Motion |
| Answer» C. Depends on the conditions | |
| 1025. |
What is the time delay in a coaxial cable is the dielectric constant is 2.3? |
| A. | 1.36 ns/ft |
| B. | 1.54 ns/ft |
| C. | 5.21 ns/ft |
| D. | 0.21 ns/ft |
| Answer» C. 5.21 ns/ft | |
| 1026. |
What is the phase shift for a transmission line which carries a signal of time period 250ns and has a delay of 75 ns? |
| A. | 108° |
| B. | 147° |
| C. | 154° |
| D. | 96° |
| Answer» B. 147° | |
| 1027. |
if the capacitance of a particular line is 30 pF/ft and its inductance is 0.075 μH/ft,What is the delay time? |
| A. | 0.05 ns/ft |
| B. | 1.62 ns/ft |
| C. | 2.5 ns/ft |
| D. | 1.5 ns/ft |
| Answer» E. | |
| 1028. |
Calculate the velocity factor if the transmission speed is 2.04 x 108. |
| A. | 0.43 |
| B. | 0.25 |
| C. | 0.74 |
| D. | 0.68 |
| Answer» E. | |
| 1029. |
The characteristic impedance of a cable of length 1m is 50Ω. What is the characteristic impedance of the same cable of length 100m? |
| A. | 100Ω |
| B. | 50Ω |
| C. | 25Ω |
| D. | 0.1Ω |
| Answer» D. 0.1Ω | |
| 1030. |
What is the surge impedance if a capacitance of 0.0022 μF (2200 pF) is measured for 100 ft and the inductance of each conductor is measured separately and then added, for a total of 5.5 μH? |
| A. | 48Ω |
| B. | 25Ω |
| C. | 50Ω |
| D. | 74Ω |
| Answer» D. 74Ω | |
| 1031. |
What the model of transmission line that appears as a distributed low-pass filter consisting of series inductors and resistors and shunt capacitors and resistors called? |
| A. | Impedance model of transmission line |
| B. | Lumped model of distributed line |
| C. | Capacitative model of transmission line |
| D. | Complex resistive model of transmission line |
| Answer» C. Capacitative model of transmission line | |
| 1032. |
How can we avoid instability? |
| A. | Reformulation of problem suitably |
| B. | Making small changes in the coefficients of equations |
| C. | Choosing the method involving higher computations |
| D. | Rounding off the errors |
| Answer» B. Making small changes in the coefficients of equations | |
| 1033. |
1.01x + 2y and x + 2y = 2 is well conditioned set of linear equations. |
| A. | True |
| B. | False |
| Answer» C. | |
| 1034. |
If approximate solution of the set of equations, 2x+2y-z = 6, x+y+2z = 8 and -x+3y+2z = 4, is given by x = 2.8 y = 1 and z = 1.8. Then, what is the exact solution? |
| A. | x = 3 , y = 1 , z =2 |
| B. | x = 1 , y = 2 , z =2 |
| C. | x = 2 , y = 3 , z = 1 |
| D. | x = 1 , y = 3 , z = 2 |
| Answer» B. x = 1 , y = 2 , z =2 | |
| 1035. |
When the linear system is called ill conditioned? |
| A. | If small changes in the coefficients of equations result in large changes in the values of the unknowns |
| B. | If reduction is done in the problem |
| C. | If the programming of linear system is expensive |
| D. | If small changes in the coefficients of equations result in small changes in the values of the unknowns |
| Answer» B. If reduction is done in the problem | |
| 1036. |
What is inherent instability? |
| A. | Instability due to convergence of solution |
| B. | Instability due to ill conditioned set of equations |
| C. | Instability due to propagation of rounding of errors |
| D. | Instability due to incorrect choice of method of solution |
| Answer» C. Instability due to propagation of rounding of errors | |
| 1037. |
What is induced instability? |
| A. | Instability due to reduction in problem |
| B. | Instability due to number of computations |
| C. | Instability due to errors in programming |
| D. | Instability due to incorrect choice of method for solving equations |
| Answer» E. | |
| 1038. |
How many types of instabilities occur while solving a linear system of equations? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» B. 3 | |
| 1039. |
What are the advantages of direct methods for solving the simultaneous algebraic equations? |
| A. | Rounding of errors get propagated |
| B. | Quite time consuming |
| C. | Requires more recording of data |
| D. | Yield a solution after a finite number of steps for any non-singular set of equations |
| Answer» E. | |
| 1040. |
Which of the following method generally converges the solution? |
| A. | Hit and trial method |
| B. | Approximation method |
| C. | Iterative method |
| D. | Direct method |
| Answer» D. Direct method | |
| 1041. |
Direct methods are preferred over iterative methods as they provide solution faster. |
| A. | True |
| B. | False |
| Answer» C. | |
| 1042. |
How many types of methods are there to solve simultaneous algebraic equations? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» B. 3 | |
| 1043. |
Which of the methods is direct method for solving simultaneous algebraic equations? |
| A. | Jacobi’s method |
| B. | Relaxation method |
| C. | Cramer’s rule |
| D. | Gauss seidel method |
| Answer» D. Gauss seidel method | |
| 1044. |
The problems which deal with the analysis of electronic circuits consisting of invariant elements depend on __________ |
| A. | The solution of simultaneous algebraic equations |
| B. | Solution of transcendental equations |
| C. | Interpolation problems |
| D. | Finite difference method |
| Answer» B. Solution of transcendental equations | |
| 1045. |
Fiber based lasers provide diffraction-limited power at higher levels than solid-state laser. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 1046. |
The mechanism which results from a refractive index change in the passive waveguide layer is called as ___________ |
| A. | Absorption |
| B. | Spontaneous emission |
| C. | Monolithic inversion |
| D. | Bragg wavelength control |
| Answer» E. | |
| 1047. |
How many techniques can be used to increase the injection cavity length? |
| A. | One |
| B. | Two |
| C. | Three |
| D. | Four |
| Answer» C. Three | |
| 1048. |
What is the widest tuning range obtained in optical fiber laser structure? |
| A. | 60 nm |
| B. | 80 nm |
| C. | More than 100 nm |
| D. | 100 nm |
| Answer» D. 100 nm | |
| 1049. |
The lasing line-width of Fox-smith resonator is ____________________ |
| A. | Less than 1 MHz |
| B. | 1 MHz |
| C. | 2 MHz |
| D. | Greater than 3 MHz |
| Answer» B. 1 MHz | |
| 1050. |
The rare-earth-doped fiber lasers have spectral line-width in the range of _________________ |
| A. | 0.1 to 1 nm |
| B. | 1.2 to 1.5 nm |
| C. | 6 to 10 nm |
| D. | 2 to 2.3 nm |
| Answer» B. 1.2 to 1.5 nm | |