Drills are usually made of__________________?
Drills are usually made of__________________?
A. Cermets
B. High speed steel
C. Alloy steel
D. Tungsten carbide
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Percentage of glycerene present in the spent lye obtained during soap manufacture is about
Question: Percentage of glycerene present in the spent lye obtained during soap manufacture is about
[A].0.5 [B].
5 [C].
20 [D].
35 Answer: Option B
Explanation:
No answer description available for this question.
The bank of tubes located at the back of the domestic refrigerators are the __________ tubes.
Question: The bank of tubes located at the back of the domestic refrigerators are the __________ tubes.
[A].refrigerant cooling [B].
evaporator [C].
condenser [D].
throttling Answer: Option C
Explanation:
No answer description available for this question.
Decomposition rate of a liquid ‘X’ which decomposes as per the reaction is given by
Question: Decomposition rate of a liquid ‘X’ which decomposes as per the reaction is given by
[A].K1 . CX [B].
(K1 + K2 + K3)CX [C].
(K1 + K2)CX [D].
(K2 + K3)CX Answer: Option C
Explanation:
No answer description available for this question.
A system undergoes a change from a given initial state to a given final state either by an irreversible process or by a reversible process, then(where, Δ S1 and Δ SR are the entropy changes of the system for the irreversible and reversible processes respectively)
Question: A system undergoes a change from a given initial state to a given final state either by an irreversible process or by a reversible process, then(where, Δ S1 and Δ SR are the entropy changes of the system for the irreversible and reversible processes respectively)
[A].Δ S1 is always < Δ SR [B].
Δ S1 is sometimes > Δ SR [C].
Δ S1 is always > Δ SR [D].
Δ S1 is always = Δ SR Answer: Option C
Explanation:
No answer description available for this question.
The calorific value of a gas of composition CO2 = 20%, H2 = 50%, CH4 = 30%, is y. If the composition of gas is changed to H2 = 50%, CH4 = 30%, CO2 = 10%, N2 = 10%, then the calorifice value will be
Question: The calorific value of a gas of composition CO2 = 20%, H2 = 50%, CH4 = 30%, is y. If the composition of gas is changed to H2 = 50%, CH4 = 30%, CO2 = 10%, N2 = 10%, then the calorifice value will be
[A].y [B].
0.95 y [C].
1.05 y [D].
1.8 y Answer: Option A
Explanation:
No answer description available for this question.
Coke oven gas burns with an yellowish flame, because of the presence of
Question: Coke oven gas burns with an yellowish flame, because of the presence of
[A].CO2 [B].
CH4 [C].
H2 [D].
NH3 Answer: Option B
Explanation:
No answer description available for this question.