Engineering

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

Q61.	What is the number of independent elastic constants for a linear elastic isotropic and homogeneous material ?

1)	4	2)	3
3)	2	4)	1
5)	None of these

Q62.	The 'plane section remains plane' assumption in bending theory implies:

1)	strain profile is linear	2)	stress profile is linear
3)	both strain and stress profiles are linear	4)	shear deformations are neglected
5)	None of these

Q63.	The rocks formed by gradual deposition, are called ----- .

1)	sedimentary rocks	2)	igneous rocks
3)	metamorphic rocks	4)	All of the above
5)	None of these

Q64.	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.

Q65.	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

Q66.	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

Q67.	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

Q68.	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

Q69.	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

Q70.	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