Engineering

ISBT Reasoning for all banking PO,Clerk,IBPS PO,Railway,SSC,IAS,OAS Exams

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Q1.
A soil sample has specific gravity of 2.60 and a void ratio of 0.78. What should be the percentage  of water required to fully saturate the soil at the void ratio ?
1) 12 2) 16
3) 30 4) 40
5)None of these
Answer : 30
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Q2.
The valves mounted on the boilers which change the direction of flow of steam by 90° and valves fitted in the pipelines which allow the steam in the same direction are respectively called as _____.
1) Stop valves and junction valves 2) Junction valves and stop valves
3) Junction valves and safety valves 4) Feed safety valves and stop valves
5)None of these
Answer : Junction valves and stop valves
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Q3.
The engine oil at 150 °C is cooled to 80 °C in a parallel flow heat exchange by water entering at 25 °C and leaving at 60 °C. What will be the exchange effectiveness will be _____.
1) 0.36 2) 0.46
3) 0.56 4) 0.66
5)None of these
Answer : 0.56
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Q4.
The amount of heat required to raise the temperature of 1 kg of water from 0°C to the saturation temperature Ts °C at a given constant pressure is defined as _____.
1) Super-heat 2) Entropy
3) Latent heat 4) Sensible heat
5)None of these
Answer : Sensible heat
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Q5.
Which of the following is the chief advantage of die casting ?
1) possibility of incorporating thick sections in small castings 2) casting of inserts is possible
3) wide tolerances are possible 4) high production rates are possible
5)None of these
Answer : high production rates are possible
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Q6.
 If carbon present in cast iron is partly free and partly in combined state, it is called _____.
1) White cast iron 2) Grey cast iron
3) Molten cast iron 4) None of these
5)None of these
Answer : White cast iron
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Q7.
1) R1 2) R2
3) R3 4) R4
5)None of these
Answer : R3
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Q8.
if there are b branches and n nodes the number of equations will be
1) n-1 2) b
3) b-n 4) b-n+1
5)None of these
Answer : b-n+1
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Q9.
The minimum requirements for causing flow of current are
1) a voltage source,a resistor, and a switch. 2) a voltage source and a conductor
3) a power source and a bulb 4) a voltage source,a conductor,an ammeter and a switch
5)None of these
Answer : a voltage source and a conductor
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Q10.
Due to the existence of  which of the following, the current flowing in an electrical circuit ?
1) mmf 2) emf
3) Resistance 4) Reluctance
5)None of these
Answer : emf
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