General Science Quiz for RRB Group-D PDF
Download Top-15 RRB Group-D General Science Quiz Questions PDF. RRB GROUP-D General Science questions based on asked questions in previous exam papers very important for the Railway Group-D exam.
Download General Science Quiz for RRB Group-D PDF
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Question 1: Preventing rain water to run-off and its accumulation and deposition for re-use on site is called
a) rain water collection
b) micro- dams
c) micro-accumulation
d) rain water harvesting
Question 2: What is the value of total hardness acceptable in potable water as per Indian Standards ?
a) 0.3
b) 3
c) 30
d) 300
Question 3: One of the main reason for depletion of ozone layer in the Earth’s atmosphere is
a) Green house gases
b) Colloidal impurities
c) CFC and halons
d) Rockets and satellite launching vehicles
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Question 4: Thermochemical decomposition of organic materials at high temperatures, in the absence of oxygen is called
a) Pyrolysis
b) Thermolysis
c) Caramelization
d) Catagenesis
Question 5: Output of welding transformer, compared with its input is
a) high voltage high current
b) high voltage low current
c) low voltage high current
d) low voltage low current
Question 6: Channel, Angels and I-section, which are used in fabricating a shed structure frame, are manufactured from bloms using the process of
a) casting
b) drawing
c) swaging
d) rolling
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Question 7: State True (T) or False (F) respectively:
A. For a better tensile strength, cast component is preferred over forged component
B. Quenching of hot component in water improves its malleability
a) T, T
b) F, F
c) T, F
d) F, T
Question 8: In a milling process, for milling mild steel, what will be a typical rate nagle for the cutter ?
a) 12C
b) 20C
c) 28C
d) -12C
Question 9: Clearance between the mating part is measured using
a) Dial gauge
b) Go- gauge
c) No-go gauge
d) Feeler guage
Question 10: In a scooter, in which part is the petrol atomized and mixed in correct proportion with the
a) Carburettor
b) Cylinder
c) Inlet port
d) Fuel pump
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Question 11: Which of the following is a heterogenous mixture ?
a) Brass
b) Sugar solution in water
c) Air
d) Milk
Question 12: Which lime is most suitable for white washing ?
a) quick lime
b) stone lime
c) kankar lime
d) shell lime
Question 13: The outer protective layer of a tree is
a) cambium layer
b) pitch
c) bark
d) sap
Question 14: Excess silica in cement
a) increase the setting time
b) decreases the setting time
c) weakens the strength of the cement
d) does not affect the setting time
Question 15: De Morgain’s theorem states hat
a) (X + Y )’ = Y’ + X’
b) (X.Y)’ = X’ + Y’
c) (X.Y)’ = Y’.X’
d) (X + Y)’ = X’ + Y’
General Science Notes for RRB Exams (PDF)
Answers & Solutions:
1) Answer (D)
2) Answer (D)
3) Answer (C)
4) Answer (A)
5) Answer (C)
6) Answer (D)
7) Answer (B)
8) Answer (A)
9) Answer (D)
10) Answer (A)
11) Answer (D)
12) Answer (D)
13) Answer (C)
14) Answer (A)
15) Answer (B)
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We hope this General Science Quiz Questions PDF for RRB Group-D Exam will be highly useful for your preparation.
