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.

Removal of iron from water takes place at a pH of ______

A. 1.5
B. 3
C. 8.2
D. 9.4
Answer» E.
2.

When small amounts of iron and manganese are present in water, they are removed by ____________

A. Aeration
B. Coagulation
C. Manganese zeolite
D. Filtration
Answer» D. Filtration
3.

Removal of manganese from water takes place at a pH of ______

A. 1.5
B. 3
C. 6
D. 9.4
Answer» E.
4.

For removal of manganese from water ________ mg of oxygen is required.

A. 0.14
B. 0.50
C. 0.29
D. 0.90
Answer» D. 0.90
5.

For removal of iron from water ________ mg of oxygen is required.

A. 0.14
B. 0.50
C. 1
D. 1.5
Answer» B. 0.50
6.

By aeration process, dissolved iron is oxidized into ____________

A. Ferrous oxide
B. Ferric oxide
C. Ferrous hydroxide
D. Ferric hydroxide
Answer» C. Ferrous hydroxide
7.

The brown tinge in the water is due to the presence of ____________

A. Zinc
B. Copper
C. Iron
D. Manganese
Answer» E.
8.

The reddish tinge in the water is due to the presence of ____________

A. Zinc
B. Copper
C. Iron
D. Manganese
Answer» D. Manganese
9.

The presence of Sulfate iron in the water results in ____________

A. Odorless water
B. Acidity in water
C. Colorless water
D. Growth of crenothrix in water mains
Answer» C. Colorless water
10.

Iron and Manganese are generally present in water supplies as ____________

A. Suspension
B. Solution
C. Colloidal particles
D. Either suspension or solution
Answer» E.
11.

The commonly used techniques for measuring quality costs are __________

A. Trend analysis and Pareto analysis
B. Trend analysis only
C. Pareto analysis only
D. Trigonometry
Answer» B. Trend analysis only
12.

Which of the following describes best Juran’s model of optimum quality costs?

A. It includes costs of internal and external failures curve, costs of appraisal and prevention curve and total quality costs curve
B. It includes costs of internal and external failures curve and costs of appraisal and prevention curve
C. It includes costs of internal and external failures curve and total quality costs curve
D. It includes costs of appraisal and prevention curve and total quality costs curve
Answer» B. It includes costs of internal and external failures curve and costs of appraisal and prevention curve
13.

Which of the following does not fall under the category of Hidden Costs?

A. Potential loss sales
B. Loss of customer goodwill
C. Offsetting customer dissatisfaction
D. Marketing research
Answer» E.
14.

What is the other name of intangible costs?

A. Hidden Costs
B. Prevention Costs
C. Appraisal Costs
D. Internal Failure Costs
Answer» B. Prevention Costs
15.

Expense reports, credit and debit memos and cost estimates are important sources for collecting/reporting quality costs in an organization.

A. True
B. False
Answer» B. False
16.

Timesheets, schedules and minutes of meetings are important sources for collecting/reporting quality costs in an organization.

A. True
B. False
Answer» B. False
17.

Quality cost per unit of production is called _______

A. Labor base index
B. Rupee base index
C. Sales base index
D. Unit base index
Answer» E.
18.

Quality cost per rupee of net sales is called _______

A. Labor base index
B. Rupee base index
C. Sales base index
D. Unit base index
Answer» D. Unit base index
19.

Quality cost per rupee of production cost is called _______

A. Labor base index
B. Cost base index
C. Sales base index
D. Production base index
Answer» C. Sales base index
20.

Quality cost per hour direct labor is called ________

A. Labor base index
B. Cost base index
C. Sales base index
D. Unit base index
Answer» B. Cost base index
21.

(7x + 2)-(x2 + 5) in Z_10 =

A. 9x2 + 7x + 7
B. 9x2+ 6x + 10
C. 8x2 + 7x + 6
D. None of the mentioned
Answer» B. 9x2+ 6x + 10
22.

The sum of polynomials of degrees m and n has degree max[m,n].

A. True
B. False
C. Can’t Say
D. None of the mentioned
Answer» D. None of the mentioned
23.

The product of polynomials of degrees m and n has a degree m+n+1.

A. True
B. False
C. Can’t Say
D. None of the mentioned
Answer» C. Can’t Say
24.

The product of monic polynomials is monic.

A. True
B. False
C. Can’t Say
D. None of the mentioned
Answer» B. False
25.

7x = 6 mod 5. Then the value of x is

A. 2
B. 3
C. 4
D. 5
Answer» C. 4
26.

Multiply 00100110 by 10011110 in GF(2^8) with modulus 100011011.The result isa) 00101111b) 00101100c) 01110011d) 11101111 7.Find the inverse of (x7+x+1) modulo (x8 + x4 + x3+ x + 1).

A. 00101111b) 00101100c) 01110011d) 11101111 7.Find the inverse of (x7+x+1) modulo (x8 + x4 + x3+ x + 1).a) x7+x
B. 00101100c) 01110011d) 11101111 7.Find the inverse of (x7+x+1) modulo (x8 + x4 + x3+ x + 1).a) x7+xb) x6+x3
C. 01110011d) 11101111 7.Find the inverse of (x7+x+1) modulo (x8 + x4 + x3+ x + 1).a) x7+xb) x6+x3c) x7
D. 11101111 7.Find the inverse of (x7+x+1) modulo (x8 + x4 + x3+ x + 1).a) x7+xb) x6+x3c) x7d) x5+1View Answer
Answer» B. 00101100c) 01110011d) 11101111 7.Find the inverse of (x7+x+1) modulo (x8 + x4 + x3+ x + 1).a) x7+xb) x6+x3
27.

Multiply the polynomials P1 = x5 +x2+ x) by P2 = (x7 + x4 +x3+x2 + x) in GF(28) with irreducible polynomial (x8 + x4 + x3 + x + 1). The result is

A. x4+ x3+ x+1
B. x5+ x3+x2+x+1
C. x5+ x4+ x3+x+1
D. x5+ x3+x2+x
Answer» C. x5+ x4+ x3+x+1
28.

The polynomial x4+1 can be represented as –

A. (x+1)(x3+x2+1)
B. (x+1)(x3+x2+x)
C. (x)(x2+x+1)
D. None of the mentioned
Answer» E.
29.

If f(x)=x7+x5+x4+x3+x+1 and g(x)=x3+x+1, find f(x) – g(x).

A. x7+x5+x4+x3
B. x6+x4+x2+x
C. x4+x2+x+1
D. x7+x5+x4
Answer» E.
30.

The rate of change of the excess density is proportional to the density. Is it true of false?

A. True
B. False
Answer» B. False
31.

Which of the following is used as the recombination agent by semiconductor device manufactures?

A. Silver
B. Gold
C. Platinum
D. Aluminium
Answer» C. Platinum
32.

Calculate the carrier lifetime when Cp=5 and Nt=1010cm-3.

A. 2*1011
B. 2*10-11
C. 20*10-11
D. 20*1011
Answer» C. 20*10-11
33.

Calculate the emission rate where En=2.5, Nt=1010cm-3 and fF (Et)=0.6 .

A. 15*1010
B. 1.5*1010
C. 15*1011
D. 1.5*1011
Answer» C. 15*1011
34.

Calculate the capture rate where Cn=10, Nt=1010cm-3, n=1020 and fF (Et)=0.4.

A. 6*1030
B. 5*1030
C. 36*1030
D. 1.66*1029
Answer» B. 5*1030
35.

Calculate the recombination rate if the excess carrier concentration is 1014cm-3 and the carrier lifetime is 1µseconds.

A. 108
B. 1010
C. 1020
D. 1014
Answer» D. 1014
36.

What is the process number of Schokley-Read-Hall Theory processes?Process-‘ The capture of an electron from the conduction band by an initially neutral empty trap’

A. Process1
B. Process2
C. Process3
D. Process4
Answer» B. Process2
37.

What is the range of the carrier lifetime?

A. Nanoseconds to microseconds
B. Nanoseconds to hundreds of microseconds
C. Nanoseconds to tens of microseconds
D. Nanoseconds to milliseconds
Answer» C. Nanoseconds to tens of microseconds
38.

Thermister is used to measure _____________

A. temperature
B. pressure
C. height
D. displacement
Answer» B. pressure
39.

RTD stands for ________

A. resistance temperature device
B. resistance temperature detector
C. reluctance thermal device
D. resistive thermal detector
Answer» C. reluctance thermal device
40.

The resistance Rt of a metallic conductor at any temperature t is given by ___________

A. Rt = Ro(1+ɑt)
B. Rt = Ro(1-ɑt)
C. Rt = Ro(ɑt-1)
D. Rt = Ro(10+ɑt)
Answer» B. Rt = Ro(1-ɑt)
41.

The lower temperature junction in thermocouple is maintained at ________

A. -273 K
B. 0 K
C. -327 K
D. 273 K
Answer» E.
42.

The junction at a lower temperature in the thermocouple called measuring junction.

A. True
B. False
Answer» C.
43.

When two wires of different material are joined together at either end, forming two junctions which are maintained at a different temperature, a _________ force is generated.

A. thermo-motive
B. electro-motive
C. chemical reactive
D. mechanical
Answer» B. electro-motive
44.

When two wires of different material are joined together at either end, forming two junctions which are maintained at a different temperature, a thermo-motive force is generated causing a current to flow around the circuit. This arrangement is called ___________

A. thermal pair
B. thermistor
C. thermocouple
D. thermostat
Answer» D. thermostat
45.

The junction at a higher temperature in thermocouple is termed as measuring junction.

A. True
B. False
Answer» B. False
46.

Sudden involuntary drop in body core temperature below 35*C (95*F) is called __________

A. Accidental hyperthermia
B. Accidental misothermia
C. Accidental exothermia
D. Accidental hypothermia
Answer» E.
47.

Which techniques have been diagrammatically shown below?

A. Gene therapy (Above); Molecular Medicine (Below)
B. Tissue Engineering (Above); Regenerative Medicine (Below)
C. Regenerative Medicine (Above); Tissue Engineering (Below)
D. Cloning (Abov
E. ; Molecular Medicine (Below)b) Tissue Engineering (Above); Regenerative Medicine (Below)c) Regenerative Medicine (Above); Tissue Engineering (Below)d) Cloning (Above); Molecular Medicine (Below)
Answer» D. Cloning (Abov
48.

Decellularization is a technique used to extract out cell/genetic material free extracellular matrix to produce a near-natural scaffold to avoid immune rejections.

A. True
B. False
Answer» B. False
49.

In tissue engineering and regenerative medicine support or biomaterial is required for the cells to be cultured. Nature’s template for a biomaterial is the _____________

A. extra-cellular matrix
B. stroma lamellae
C. lymph fluid
D. blood plasma
Answer» B. stroma lamellae
50.

Immuno-suppressants are usually used to overcome the immune-rejection caused due to the immune system’s attack on the foreign tissue used in transplantation.

A. True
B. False
Answer» B. False