Engineering

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

Q41.
Which one of the following is acid resistant asbestos ?
1) actinolite asbestos 2) amosite asbestos
3) anthophylite asbestos 4) crocidolite asbestos
5)All the above.
Answer : All the above.
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Q42.
If the furnace is provided with insufficient fuel at low temperatures, the type of pig iron produced, is called -
1) Bessemer pig 2) White or forge pig
3) Grey or foundry pig 4) Mottled pig.
5)None of these
Answer : White or forge pig
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Q43.
The rocks which are formed due to cooling of magma at a considerable depth from earth's surface are called-
1) Volcanic rocks 2) Hypabyssal rocks
3) Igneous rocks. 4) Plutonic rocks
5)None of these
Answer : Plutonic rocks
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Q44.
Generally, what variety of pig iron used for manufacture of wrought iron ?
1) Bessemer pig 2) Grey or foundry pig
3) White forge pig 4) Mottled pig
5)None of these
Answer : White forge pig
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Q45.
What would happen in the method of condensation polymerization ?
1) Tow-molecular substances are removed from the high molecular substance 2) The reaction proceeds with an evolution of ammonia
3) The reaction proceeds with an evolution of hydrogen chloride 4) All the above.
5)None of these
Answer : All the above.
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Q46.
 What is the used of  a feeler gauge to check ----------  ?
1) Radius 2) Screw pitch
3) Surface roughness 4) Unsymmetrical shape
5)Thickness of clearance
Answer : Thickness of clearance
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Q47.
Which of the following is an example of potential energy ?

1) tea-kettle steam 2) a moving vehicle
3) the sun 4) a battery
5)None of these e
Answer : a battery
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Q48.
In a uniform circular motion if the radius is doubled the centripetal force now required is - 
1) 1- quarter as great as before 2) half as great as before
3) twice as great as before 4) four times as great as before
5)None of these
Answer : half as great as before
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Q49.
An 8 V power source is charging a capacitor. How many volts will be across the capacitor at the second time constant ?
1) 1 volt 2) 3 volts
3) 5 volts 4) 7 volts
5)None of these
Answer : 7 volts
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Q50.
Which of the following material used between the plates of a capacitor  ?
1) insulation material 2) dielectric material
3) separation material 4) plate-divider material
5)None of these
Answer : dielectric material
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