RRB Group D 2022-11-10-2022-2 RRB Question Paper

RRB Group D 2022 Question Papers

RRB Group D 2022-11-10-2022-2 RRB Questions

21.
Which of the following properties is required for a material to be used in filament of an electric bulb?
A.
Low melting point
B.
Low temperature
C.
High conductivity
D.
High resistivity
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ANSWER :
D. High resistivity
22.
All 28 students of a class are standing in a straight row facing north. Jay is 14th from the right end, while Bela is 12th from the left end. How many students stand between Jay and Bela?
A.
2
B.
3
C.
4
D.
1
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ANSWER :
A. 2
23.
Who won a bronze medal at the U23 Asian Wrestling Championships in 2022?
A.
Sushil Kumar
B.
Anshu Malik
C.
Ravi K Dahiya
D.
Deepak Punia
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ANSWER :
D. Deepak Punia
24.
Consider the following reaction:
Na₂SO₄(aq) + BaCl₂(aq) → BaSO₄(s) + 2NaCl(s)
This reaction is an example of:
A.
combination reaction
B.
displacement reaction
C.
decomposition reaction
D.
precipitation reaction
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ANSWER :
D. precipitation reaction
25.
A statement is given below, followed by four conclusions given in the options. Find out which conclusion is true based on the given statement.
Statement: A > S ≥ D > F ≤ G < H
A.
S > F
B.
S = H
C.
A ≥ G
D.
D > G
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ANSWER :
A. S > F
26.
Simplify the given expression.
2(x² + y²)² − 3xy(x² + y²) − 2x²y²
A.
(x² + y² − xy)(2x² + 2y² − xy)
B.
(2x² + 2y² + xy)(x² + y² − 2xy)
C.
(x² + y² + xy)(2x² + 2y² + xy)
D.
(2x² + 2y² − xy)(x² + y² − 2xy)
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ANSWER :
B. (2x² + 2y² + xy)(x² + y² − 2xy)
27.
The production function of a firm is a relationship between inputs used and ________.
A.
quantity of inputs used by the firm
B.
quality of inputs used by the firm
C.
output produced by the firm
D.
price of inputs used by the firm
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ANSWER :
C. output produced by the firm
28.
In an electric motor, the ________ act(s) as a contact between the commutator and the terminals of the battery.
A.
magnetic poles
B.
split ring
C.
plug key
D.
carbon brushes
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ANSWER :
D. carbon brushes
29.
The conversion of ethanol to acetic acid is an example of:
A.
substitution reaction
B.
oxidation reaction
C.
addition reaction
D.
reduction reaction
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ANSWER :
B. oxidation reaction
30.
Carbon makes strong bonds with other elements. Which of the following is the correct explanation for the given statement?
A.
A carbon nucleus holds the shared pairs of electrons weakly due to its small size.
B.
A carbon nucleus holds the shared pairs of electrons strongly due to its small size.
C.
A carbon nucleus holds the shared pairs of electrons strongly due to its large size.
D.
A carbon nucleus holds the shared pairs of electrons weakly due to its large size.
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ANSWER :
B. A carbon nucleus holds the shared pairs of electrons strongly due to its small size.