Explore topic-wise MCQs in Php.

This section includes 2167 Mcqs, each offering curated multiple-choice questions to sharpen your Php knowledge and support exam preparation. Choose a topic below to get started.

501.

Which of the following is not a determinant of the ‘suppliers’ functional element while measuring the performance of an organization?

A. Service rating
B. On-time delivery
C. Quality performance
D. Number of breakdowns
Answer» E.
502.

Quality grade is equal to ___________

A. Production quantity
B. Number of defects
C. ((Production quantity – Number of defects)/Production quantity)*100
D. Customer satisfaction index/number of defects
Answer» D. Customer satisfaction index/number of defects
503.

Failure rate is equal to ______

A. (Number of failures/Total number of products tested)*100
B. Number of failures
C. Total number of products tested
D. *100b) Number of failuresc) Total number of products testedd) Number of breakdowns
Answer» B. Number of failures
504.

Manufacturing cycle effectiveness is equal to ______

A. Number of failures
B. Processing time/Throughput time
C. Processing time
D. Throughput time
Answer» C. Processing time
505.

% rejects and % scrap are important determinants in the ‘production’ functional element while measuring the performance of an organization.

A. True
B. False
Answer» B. False
506.

Throughput time is equal to ______

A. Processing time+Inspection time
B. Processing time+Inspection time+Movement time
C. Processing time+Inspection time+Movement time+Waiting time
D. Processing time+Inspection time+Waiting time
Answer» D. Processing time+Inspection time+Waiting time
507.

The introduction of plug and play modules in software defined radio involves partitioning of functions and components

A. True
B. False
Answer» B. False
508.

Digital-access bandwidth is approximately double of the sampling rate of the ADC in the isochronous subscriber signal-processing path.

A. True
B. False
Answer» C.
509.

_____ stream characterizes radio surrounding usage in terms of time, frequency, and space.

A. Online adaption
B. Offline adaption
C. Environment management
D. Real-time channel processing
Answer» D. Real-time channel processing
510.

How are the bits at the output of INFOSEC (towards source) stage referred?

A. Black bits
B. Shielded bits
C. White bits
D. Clear bits
E. stage referred?a) Black bitsb) Shielded bitsc) White bitsd) Clear bits
Answer» E. stage referred?a) Black bitsb) Shielded bitsc) White bitsd) Clear bits
511.

Which among the following is not a property of offline software support?

A. System analysis
B. Air interface modes
C. Re-hosting of hardware
D. Signal processing
Answer» C. Re-hosting of hardware
512.

Digital translation of a baseband signal into an IF is an example for ____

A. continuous-time point operation
B. continuous-frequency point operation
C. discrete-time point operation
D. discrete-frequency point operation
Answer» D. discrete-frequency point operation
513.

____ must preserve radio service-defining properties of the system.

A. Module control
B. Module composition
C. Joint control
D. Joint composition
Answer» C. Joint control
514.

Which of the following is not characteristic of a plug and play module?

A. Compatibility
B. Configurability
C. Controllability
D. Predictability
Answer» C. Controllability
515.

____ device allows inclusion of new hardware components without external physical intervention.

A. Configurable
B. Plug and Play
C. DSP
D. ASIC
Answer» C. DSP
516.

____ ensures data integrity.

A. INFOSEC
B. TRANSEC
C. Network support
D. Source coding
Answer» B. TRANSEC
517.

_____ is essential to ensure that the required resources do not exceed the available resources of a radio platform.

A. Joint control
B. Host processor
C. Host controller
D. Evolution support
Answer» E.
518.

Joint control may grow towards autonomous selection of ____ and ____

A. band, mode
B. band, personality
C. mode, personality
D. personality, protocol
Answer» B. band, personality
519.

____ connects sources that are physically remote from the radio node.

A. INFOSEC
B. RF/Channel access
C. Network support
D. Communication services
Answer» D. Communication services
520.

____ may include digital beam forming.

A. Modem
B. ADCs
C. Channel access
D. IF processing
Answer» E.
521.

Which of the following is not a part of the channel encoder/decoder section in the functional model of software defined radio?

A. RF/Channel access
B. Source coding
C. IF processing
D. Modem
Answer» C. IF processing
522.

The problem of short-circuiting in 1-Φ Full wave semi-converter is very common.

A. True
B. False
Answer» B. False
523.

Diodes in 1-Φ Full wave semi-converter protects the thyristor from short-circuiting.

A. True
B. False
Answer» B. False
524.

Calculate the r.m.s value of diode current in 1-Φ Full wave semi-converter for the load (Highly inductive) current=.2 A and α=74°. (F.D configuration)

A. .154 A
B. .248 A
C. .128 A
D. .587 A
E. current=.2 A and α=74°. (F.D configuration)a) .154 Ab) .248 Ac) .128 Ad) .587 A
Answer» D. .587 A
525.

Calculate the average value of diode current in 1-Φ Full wave semi-converter for the load (Highly inductive) current=5.2 A and α=11°. (F.D configuration)

A. .32 A
B. .31 A
C. .25 A
D. .27 A
E. current=5.2 A and α=11°. (F.D configuration)a) .32 Ab) .31 Ac) .25 Ad) .27 A
Answer» C. .25 A
526.

Calculate the average value of diode current in 1-Φ Full wave semi-converter for the load (Highly inductive) current=75.2 A and α=41°. (Asymmetrical configuration)

A. 46.16 A
B. 42.15 A
C. 41.78 A
D. 41.18 A
E. current=75.2 A and α=41°. (Asymmetrical configuration)a) 46.16 Ab) 42.15 Ac) 41.78 Ad) 41.18 A
Answer» B. 42.15 A
527.

Calculate the average value of thyristor current in 1-Φ Full wave semi-converter for the load (Highly inductive) current=25.65 A and α=18°. (Asymmetrical configuration)

A. 11.54 A
B. 12.15 A
C. 15.48 A
D. 14.52 A
E. current=25.65 A and α=18°. (Asymmetrical configuration)a) 11.54 Ab) 12.15 Ac) 15.48 Ad) 14.52 A
Answer» B. 12.15 A
528.

Calculate the r.m.s value of diode current in 1-Φ Full wave semi-converter for the load (Highly inductive) current=5.1 A and α=115°. (Asymmetrical configuration)

A. 4.21 A
B. 4.61 A
C. 4.71 A
D. 4.52 A
E. current=5.1 A and α=115°. (Asymmetrical configuration)a) 4.21 Ab) 4.61 Ac) 4.71 Ad) 4.52 A
Answer» C. 4.71 A
529.

Calculate the r.m.s value of thyristor current in 1-Φ Full wave semi-converter for the load (Highly inductive) current=2.2 A and α=155°. (Asymmetrical configuration)

A. .58 A
B. .57 A
C. .51 A
D. .52 A
E. current=2.2 A and α=155°. (Asymmetrical configuration)a) .58 Ab) .57 Ac) .51 Ad) .52 A
Answer» C. .51 A
530.

Calculate the r.m.s value of source current in 1-Φ Full wave semi-converter for the load (Highly inductive) current=51.2 A and α=15°.

A. 10.53 A
B. 14.52 A
C. 44.92 A
D. 49.02 A
E. current=51.2 A and α=15°.a) 10.53 Ab) 14.52 Ac) 44.92 Ad) 49.02 A
Answer» E. current=51.2 A and α=15°.a) 10.53 Ab) 14.52 Ac) 44.92 Ad) 49.02 A
531.

Calculate the fundamental component of source current in 1-Φ Full wave bridge rectifier for the load(Highly inductive) current=78 A.

A. 78 A
B. 45 A
C. 69 A
D. 13 A
E. current=78 A.a) 78 Ab) 45 Ac) 69 Ad) 13 A
Answer» B. 45 A
532.

Calculate the circuit turn-off time for 1-Φ Full wave bridge rectifier for α=145°. Assume the value of ω=5 rad/sec.

A. 84.9 msec
B. 94.5 msec
C. 101.2 msec
D. 87.2 msec
Answer» E.
533.

Calculate the fundamental component of source current in 1-Φ Full wave bridge rectifier for load(Highly inductive) current=3.14 A.

A. 2.82 A
B. 1.45 A
C. 3.69 A
D. 4.78 A
E. current=3.14 A.a) 2.82 Ab) 1.45 Ac) 3.69 Ad) 4.78 A
Answer» B. 1.45 A
534.

Calculate the value of the fundamental displacement factor for 1-Φ Full wave semi-converter if the firing angle value is 69°.

A. 0.48
B. .24
C. .82
D. .88
Answer» D. .88
535.

Calculate the value of the fundamental displacement factor for 1-Φ Full wave bridge rectifier if the firing angle value is 38°.

A. 0.22
B. .78
C. .33
D. .44
Answer» C. .33
536.

Calculate the value of the Input power factor for 1-Φ Full wave bridge rectifier if the firing angle value is 39°.

A. 0.69
B. .59
C. .78
D. .15
Answer» B. .59
537.

Just after ________ female and male pronucleus are discrete.

A. Fertilization
B. Transformation
C. Microinjection
D. Mitosis
Answer» B. Transformation
538.

Which of the following has its own independent genome?

A. Ribosome
B. Golgi body
C. Mitochondria
D. Membrane
Answer» E.
539.

All the methods of _________ transformation require removal of fertilized eggs as the primary step.

A. Somatic
B. Germline
C. Transgenic
D. Viral
Answer» C. Transgenic
540.

It is possible to introduce DNA into the germline of mice.

A. True
B. False
Answer» B. False
541.

Dolly, the first transgenic animal was a ________

A. Mouse
B. Dog
C. Sheep
D. Rice
Answer» D. Rice
542.

The nuclei of animal cells contain all the information necessary to _________ the whole of development.

A. intervene
B. hinder
C. recapitulate
D. propel
Answer» D. propel
543.

Transgenic plants can be __________ from transformed plant cells.

A. Inactivated
B. Regenerated
C. Degenerated
D. Excised
Answer» C. Degenerated
544.

The units for the log mean temperature difference are __________

A. 1 / °C
B. °C
C. 1/2 °C
D. Dimensionless
Answer» C. 1/2 °C
545.

The fouling factor is _________

A. Is a safety factor
B. Accounts for all resistances due to mass transfer
C. Is a dimensionless number
D. Accounts for all resistances due to heat transfer
Answer» E.
546.

The evaporator economy is dependent on the ________

A. Heat transfer rate
B. Mass transfer rate
C. Energy balance considerations
D. Mass balance considerations
Answer» B. Mass transfer rate
547.

Fruit juice is fed to a heat exchanges at the rate of 15 kg/h. Saturated steam at 145 kPa pressure is used to heat the juice from 70C to 900C. Assuming the heat capacity of juice 5kJ/kg°C, find out the quantity of steam required for the operation. Using the equation:FHF + SHS = PHP + CHCλs (Latent heat of condensation) = 2229 at 145 kPa.

A. 2.90 kg/h
B. 2.97 kg/h
C. 2.99 kg/h
D. 2.95 kg/hView Answer
Answer» C. 2.99 kg/h
548.

“All of the coolant is at a uniform temperature, Tc”, is this statement correct according to the assumptions for the Unsteady-state energy balance?

A. True
B. False
Answer» B. False
549.

Refer to Q3, Q4 and Q5 estimate what is the adiabatic temperature rise for this reactor and what is its significance?Using the equation:

A. 230 K
B. 200 K
C. 250 K
D. 260 K
Answer» D. 260 K
550.

Refer to Q3 and Q4 and estimate what is the maximum rate at which heat must be removed by the cooling coil (kcal/min) and at what time does this maximum occur?Using the following equation:Q ̇ = ΔHR kc2Ao VR

A. −828 kcal/min
B. –880 kcal/min
C. -825 kcal/min
D. – 850 kcal/min
Answer» B. –880 kcal/min