Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

Polyubiquitin chain is linked to which amino acid of the substrate protein?

A. Glycine
B. Proline
C. Methionine
D. Lysine
Answer» E.
2.

Which of the following complex is known as Ubiquitin ligase?

A. E1-E3 complex
B. E2-E4 complex
C. E1-E4 complex
D. E2-E3 complex
Answer» E.
3.

Which of the following enzymes is the starting point of the Ubiquitin-conjugating system?

A. Ubiquitin ligase (E2-E3 complex)
B. Accessory proteins (E3)
C. Ubiquitin-conjugating enzyme (E2)
D. Ubiquitin-activating enzyme (E1)
Answer» E.
4.

ATP dependent proteases constitute how much percent of the total cell proteins?

A. 0.2 percent
B. 10 percent
C. 0.1 percent
D. 1 percent
Answer» E.
5.

The proteolytic machinery acts after the chaperones have finished their tasks.

A. True
B. False
Answer» C.
6.

What is an LPR?

A. Measures flow rate
B. Wellhead equipment
C. Used inside packer
D. Measures corrosion rate
Answer» C. Used inside packer
7.

Corrosion is the process of becoming progressively worse of a metal as a result of chemical reactions.

A. True
B. False
Answer» B. False
8.

Which of the following is not the primary form of polymer deterioration?

A. Weathering
B. Scission
C. Corrosion
D. Swelling and Dissolution
Answer» D. Swelling and Dissolution
9.

According to the guideline of the German Society for Nondestructive Testing, the electrochemical potential mapping is a special procedure used to localize the corroding reinforcing steels.

A. True
B. False
Answer» B. False
10.

Which of the following form of corrosion occurs due to concentration difference in a component?

A. Uniform
B. Galvanic
C. Inter-granular
D. Stress
Answer» D. Stress
11.

An 3 phase alternator star connected 400 V synchronous motor takes a power input of 5472 watts at rated voltage. Its synchronous reactance is 10** per phase and negligible resistance. If its excitation voltage is adjusted equal to the rated voltage of 400 V, its power factor is _______

A. cos(10°)
B. cos(20°)
C. cos(40°)
D. cos(30°)
Answer» B. cos(20°)
12.

Under the conditions of maximum values of active or reactive power, a synchronous machine always absorbs reactive power.

A. True
B. False
Answer» B. False
13.

What is Synchronous motor?

A. absorbs reactive power for maximum input real power
B. absorbs reactive power for maximum input reactive power
C. delivers reactive power for maximum input real power
D. delivers reactive power for maximum input reactive power
Answer» B. absorbs reactive power for maximum input reactive power
14.

If the synchronous motor connected to the infinite bus bar absorbs reactive power to it, then it must be operating at __________

A. leading pf
B. lagging pf
C. zero pf
D. unity pf
Answer» C. zero pf
15.

For an underexcited 3 phase synchronous motor, connected to IBB is __________

A. absorbing reactive power from IBB
B. delivering reactive power to IBB
C. absorbing zero reactive power from IBB
D. delivering zero reactive power to IBB
Answer» B. delivering reactive power to IBB
16.

If the synchronous motor connected to the infinite bus bar delivers positive reactive power to it, then it must be operating at __________

A. leading pf
B. lagging pf
C. zero pf
D. unity pf
Answer» B. lagging pf
17.

For an overexcited 3 phase synchronous motor, connected to infinite bus is __________

A. motor is delivering reactive power to IBB
B. motor is absorbing reactive power to IBB
C. motor is delivering zero reactive power to IBB
D. none of the mentioned
Answer» B. motor is absorbing reactive power to IBB
18.

Under the condition of maximum power delivered, reactive power is __________

A. negative
B. positive
C. zero
D. same as previous condition
Answer» B. positive
19.

Under the conditions of maximum reactive power output, the reactive power flowing out of an alternator is __________

A. positive
B. negative
C. zero
D. equal to power
Answer» C. zero
20.

When terminal voltage exceeds the excitation, then operating power factor is?

A. leading
B. lagging
C. uPF
D. zpf
Answer» B. lagging
21.

When excitation given to a 3-phase alternator is equal to terminal voltage then ____________

A. the absorbed reactive power is zero
B. the absorbed real power is zero
C. the delivered real power is zero
D. any of the mentioned
Answer» B. the absorbed real power is zero
22.

What is the use of the tan() function?

A. To find the sine of a number
B. To find the cosine of a number
C. To find the tan of a number
D. To find the inverse tan of a number
Answer» D. To find the inverse tan of a number
23.

What is the use of the sin() function?

A. To find the sine of a number
B. To find the cosine of a number
C. To find the tan of a number
D. To find the inverse tan of a number
Answer» B. To find the cosine of a number
24.

What is the use of the cos() function?

A. To find the cosine of a number
B. To find the sine of a number
C. To find the tan of a number
D. To find the inverse cosine of a number
Answer» B. To find the sine of a number
25.

What is the use of the sq() function?

A. To find the square root of a number
B. To find the square of a number
C. To find the cube of a number
D. To find the cube root of a number
Answer» C. To find the cube of a number
26.

What is the use of the sqrt() function?

A. To find the square of a number
B. To find the square root of a number
C. To find the cube root of a number
D. To find the cube of a number
Answer» C. To find the cube root of a number
27.

What is the purpose of the pow(x,y) function?

A. To find xy
B. To find yx
C. To find ex
D. To find 10y
Answer» B. To find yx
28.

What is the maximum number of arguments for the map() function?

A. 1
B. 3
C. 5
D. 7
Answer» D. 7
29.

What is the maximum number of arguments for the constrain() function?

A. 1
B. 2
C. 3
D. 4
Answer» D. 4
30.

What is the math function to find out the maximum of 2 numbers?

A. The maximumOf() function
B. The maximum_number() function
C. The max() function
D. The m() function
Answer» D. The m() function
31.

What is the math function to find out the minimum of 2 numbers?

A. The min() function
B. The minimum_number() function
C. The m() function
D. The minimumOf() function
Answer» B. The minimum_number() function
32.

Schering bridge is a DC (Direct current) bridge.

A. True
B. False
Answer» C.
33.

Which DC bridge is used to find very small resistor values, generally below 1 ohm?

A. Maxwell’s Bridge
B. Wheatstone Bridge
C. Kevin Bridge
D. H-Bridge
Answer» E.
34.

Which condition is referred as balanced condition of bridge?

A. When the centre Galvanometer detects highest current flow
B. When the centre Galvanometer detects constant current flow
C. When the centre Galvanometer detects no current flow
D. When the centre Galvanometer gets damaged
Answer» D. When the centre Galvanometer gets damaged
35.

Which detector is not used in AC circuit?

A. Tunable amplifier circuit
B. Vibration galvanometers
C. Galvanometers
D. Head phones
Answer» D. Head phones
36.

Vibration galvanometer is used as a detector in AC circuit instead of normal galvanometer.

A. True
B. False
Answer» B. False
37.

Which bridge can be used to find very small difference in two resistor values?

A. H-Bridge
B. Wien Bridge
C. Maxwell Bridge
D. Carey foster bridge circuit
Answer» E.
38.

Which bridge can be used for providing a DC output from AC input?

A. H-Bridge
B. Wien Bridge
C. Maxwell Bridge
D. Diode bridge circuit
Answer» E.
39.

Which bridge can be used as a switch?

A. H-Bridge
B. Wien Bridge
C. Maxwell Bridge
D. Heaviside Bridge
Answer» B. Wien Bridge
40.

In a Wheatstone bridge if all the resistors are same then the bridge is unbalanced.

A. True
B. False
Answer» C.
41.

How many H-bridges are present in the motor driver of a bipolar stepper motor?

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
42.

Which bridge can be used to alternate the polarity of an applied voltage?

A. H-Bridge
B. Wien Bridge
C. Maxwell Bridge
D. Heaviside Bridge
Answer» B. Wien Bridge
43.

Which bridge is used to measure the effect of mutual inductance among two circuits?

A. Wheatstone bridge
B. Wien Bridge
C. Maxwell Bridge
D. Heaviside Bridge
Answer» E.
44.

Which bridge is used to calculate unknown resistance in DC circuit?

A. Wheatstone Bridge
B. Wien Bridge
C. Maxwell Bridge
D. Heaviside Bridge
Answer» B. Wien Bridge
45.

Which bridge is used to calculate unknown capacitance in AC circuit?

A. Wheatstone Bridge
B. Wien Bridge
C. Maxwell Bridge
D. Heaviside Bridge
Answer» C. Maxwell Bridge
46.

Which bridge is used to calculate unknown inductance in AC circuit?

A. Wheatstone Bridge
B. Wien Bridge
C. Maxwell Bridge
D. Heaviside Bridge
Answer» D. Heaviside Bridge
47.

Radio application layer constructs physical and virtual radio channels.

A. True
B. False
Answer» B. False
48.

Which of the following is not a facility offered by infrastructure layer?

A. Synchronization
B. High speed interconnect
C. Resource management
D. Position generation
Answer» C. Resource management
49.

_____ translates laptop level display information to a level suitable for handheld device.

A. Transmission Control Protocol
B. Graphic User Interface
C. Simple Network Management Protocol
D. Wireless Access Protocol
Answer» E.
50.

The software tradeoffs at ____ level of the architecture involve the user.

A. communication services
B. radio application
C. radio infrastructure
D. hardware
Answer» B. radio application