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.

Gravel having well grading is denoted by __________

A. GW
B. GP
C. SM
D. SW
Answer» B. GP
2.

If the sensitivity of the soil is greater than 16 then it is __________

A. Insensitive
B. Little sensitive
C. Highly sensitive
D. Quick
Answer» E.
3.

The slope of curve obtained between the number of blows and water content in the cassagrande’s method is __________

A. Toughness index
B. Activity
C. Flow index
D. Liquid limit
Answer» D. Liquid limit
4.

Coefficient of uniformity is __________

A. D60
B. D10
C. D60/D10
D. D30
Answer» D. D30
5.

Which type of soil is suitable for the construction of pavement?

A. Black cotton soil
B. Sand
C. Stone dust
D. Gravel
Answer» E.
6.

Coefficient of permeability is more for __________

A. Gravel
B. Sand
C. Clay
D. Brick
Answer» B. Sand
7.

The weight of the hammer in modified proctor test apparatus is __________

A. 2.8kg
B. 4.7kg
C. 5.0kg
D. 6.0kg
Answer» C. 5.0kg
8.

The shear strength is more for __________

A. Cohesive soil
B. Non cohesive soil
C. Frictionless soil
D. Dust
Answer» B. Non cohesive soil
9.

The liquid limit of the soil is determined by __________

A. Hydrometer
B. Pyconometer
C. Sand bottle
D. Cassagrandes apparatus
Answer» E.
10.

The unpaved shoulder usually consists of __________

A. Gravel
B. Sand
C. Bricks
D. Clay
Answer» B. Sand
11.

What is the specific gravity of sand?

A. 2.5
B. 2.6
C. 2.7
D. 2.9
Answer» D. 2.9
12.

Which of the following is not used in colloidal conditioning?

A. Kerosene
B. Tannin
C. Agar-agar
D. Vinegar
Answer» E.
13.

Carbonate conditioning is not done in high pressure boilers because it may lead to caustic embrittlement.

A. True
B. False
Answer» B. False
14.

Iron oxide and copper depositions can be prevented by adding ___________ to the boiler water.

A. Calgon
B. Carbonate
C. EDTA
D. EBT
Answer» D. EBT
15.

Calgon conditioning is not applicable for the prevention of ___________

A. Iron oxide only
B. Copper depositions only
C. Sulphurdioxide only
D. Iron oxide and copper depositions
Answer» E.
16.

The quantity of calgon to be added to prevent scale and sludge formation is ___________

A. 10-20 ppm
B. 30-50 ppm
C. 0.005-0.1 ppm
D. 0.5-5 ppm
Answer» E.
17.

Calgon converts the scale forming impurity like CaSO4 into ___________

A. Soluble complex compound
B. Insoluble complex compound
C. Soluble acids
D. Insoluble acids
Answer» B. Insoluble complex compound
18.

Calgon is added to boiler water to prevent ___________

A. Foaming
B. Sludge and scale formation
C. Priming
D. Corrosion
Answer» C. Priming
19.

What is Calgon?

A. Potassium hexa meta sulphate
B. Magnesium hexa meta phosphate
C. Sodium hexa meta phosphate
D. Calcium hexa meta sulphate
Answer» D. Calcium hexa meta sulphate
20.

Which of the following is not a way to minimize the disposal of toxic wastes into the water?

A. To create awareness about the pollution happening on water for people
B. To minimize the use of pesticides and chemicals into the agricultural fields
C. Recycle of plastic materials
D. Encouraging the disposals of electronic waste into the water bodies
Answer» E.
21.

When did water cess act come into force?

A. 1973
B. 1975
C. 1977
D. 1980
Answer» D. 1980
22.

Why controlled use of water hyacinth is important in controlling of water pollution?

A. To decrease the BOD level
B. To increase the BOD level
C. To completely vanish the BOD level
D. To maintain the BOD level
Answer» C. To completely vanish the BOD level
23.

How agricultural management helps in the control of water pollution?

A. By giving an idea about the use of land management
B. By increase the water intake
C. By using poor soil which consumes less water
D. By encouraging farmers to use more chemicals
Answer» B. By increase the water intake
24.

It is dangerous to use magnesium in pneumatic nail guns and simple hand tools.

A. True
B. False
Answer» C.
25.

An important principle for cutting tools of magnesium alloys is ___________ the friction.

A. transferring
B. scaling
C. limiting
D. increasing
Answer» D. increasing
26.

Which one of the following is considered to be an ore of magnesium?

A. Bornite
B. Trihydrate
C. Monohydrate
D. Natural brines
Answer» E.
27.

Deficiency of magnesium in the human body can lead to diabetes.

A. True
B. False
Answer» B. False
28.

Magnesium constitutes around __________ of ocean water in weight.

A. 1.2%
B. 23%
C. 0.125%
D. 7.4%
Answer» D. 7.4%
29.

Recycling of magnesium requires only _________ of energy required to make the primary substance.

A. 24%
B. 10%
C. 88%
D. 38%
Answer» C. 88%
30.

___________ is not a magnesium ore.

A. Bauxite
B. Seawater
C. Dolomite
D. Magnesite
Answer» B. Seawater
31.

The atomic mass of magnesium is ___________

A. 1/43 u
B. 47.867 u
C. 24.3 u
D. 51.9 u
Answer» D. 51.9 u
32.

Magnesium alloys are obtainable in the form of __________

A. permanent mood
B. die castings
C. die castings and permanent mold
D. mud
Answer» D. mud
33.

Magnesium is convenient to use when ____________ thickness is required.

A. lateral
B. maximum
C. high
D. minimum
Answer» E.
34.

Thermal stimulation is usually applicable in ____ viscosity oil reservoirs.

A. Low
B. High
C. 10 cp
D. 14 cp
Answer» C. 10 cp
35.

In an open hole, it may be necessary to deepen or plug back or to cement a liner in an open hole to selectively produce an effective zone.

A. True
B. False
Answer» B. False
36.

Which of the following is not a method of paraffin control?

A. Steam injection into the annulus
B. Circulating hot oil periodically through the well
C. Wax injection
D. Heating the annulus through the downhole electric heater
Answer» D. Heating the annulus through the downhole electric heater
37.

Which of the following is incorrect regarding the remedial measures of workover in high viscosity wells?

A. Thermal stimulation
B. Steam stimulation
C. Reaming
D. Caliper log
Answer» E.
38.

The workover to change zones is usually to squeeze cement and re-perforate in the new zone.

A. True
B. False
Answer» B. False
39.

Joints are not common and are very easy structures to study in rocks.

A. True
B. False
Answer» C.
40.

Compression joints usually occur in which part of fault?

A. Crust
B. Mantle
C. Core
D. Margins
Answer» D. Margins
41.

The joints that are caused due to compressive forces are called as ___________

A. T joints
B. C joints
C. Longitudinal joints
D. Compression joints
Answer» E.
42.

The type of joint occurring in igneous rocks during cooling is ___________

A. Shear joints
B. Tensile joints
C. Compression joints
D. Bend joints
Answer» C. Compression joints
43.

The joints developed due to tensile forces are ___________

A. Tensile joints
B. Compressive joints
C. Shear joints
D. No particular name
Answer» B. Compressive joints
44.

Joints running parallel to hinge lines are called ___________

A. Hinge joints
B. Radial joints
C. Bedding joints
D. Oblique joints
Answer» C. Bedding joints
45.

If Y which is ratio of mass of solvent to mass of solvent in liquid free phase:For extract is 0.2 (YD)For extract leaving stage N is 0.4 (YVN)Amount of extract is 100kg (D)Amount of solvent in cascade is 50 (SD)What is the extract reflux?

A. 100
B. 150
C. 200
D. 250
Answer» C. 200
46.

If Y which is ratio of mass of solvent to mass of solvent in liquid free phase:For extract is 0.3(YD)For extract leaving stage N is 0.7 (YVN)Amount of extract is 100kg (D)Amount of solvent in cascade is 50 (SD)What is the extract reflux?

A. 100
B. 125
C. 200
D. 250
Answer» C. 200
47.

If Y which is ratio of mass of solvent to mass of solvent in liquid free phase:For extract is 0.4 (YD)For extract leaving stage N is 0.6 (YVN)Amount of extract is 100kg (D)Amount of solvent in cascade is 40 (SD)What is the extract reflux?

A. 100
B. 150
C. 200
D. 250
Answer» B. 150
48.

If Y which is ratio of mass of solvent to mass of solvent in liquid free phase:For extract is 0.5 (YD)For extract leaving stage N is 0.7 (YVN)Amount of extract is 200kg (D)Amount of solvent in cascade is 50 (SD)What is the extract reflux?

A. 100
B. 150
C. 200
D. 300
Answer» E.
49.

If Y which is ratio of mass of solvent to mass of solvent in liquid free phase:For extract is 0.5 (YD)For extract leaving stage N is 0.7 (YVN)Amount of extract is 100kg (D)Amount of solvent in cascade is 50 (SD)What is the extract reflux?

A. 100
B. 150
C. 200
D. 250
Answer» C. 200
50.

How a sharp separating point is occurs for solute and carrier in type 2 systems?

A. Extract reflux
B. Extract influx
C. Extract preflux
D. Detract influx
Answer» B. Extract influx