Mechanical J.E Quiz-59

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Question 1

In jet pump

• AFluid kinetic energy is converted to potential energy
• BHigh velocity stream energy is converted to pressure energy
• CHigh pressure fluid energy gets converted to low pressure energy fluid
• DFluid potential energy gets converted to kinetic energy

Question 2

Which is true in case of heat exchanger?

• Aa piece of equipment built for efficient heat transfer from one medium to another.
• BThe media may be separated by a solid wall, so that they never mix, or they may be in direct contact.
• CThey are widely used in space heating, refrigeration, air conditioning, power plants, chemical plants, petrochemical plants.
• DAll of these

Question 3

In thermal power plant, the percentage upto which the volatile matter trips will be:

• A15%
• B20%
• C17%
• D25%

Question 4

Penstock bends in propeller turbine are meant for:

• Aspinning
• Bconnecting perimeter
• Cstraight line connection to generator
• Doperating blades

Question 5

From the figure shown, what will be the expression for moment of inertia for rectangular area with respect to centroidal x-axis?

• A
• B
• C
• D

Question 6

Which among the following metals are used for making tubes, pipes, hoses etc?

• Abrass
• Bgold
• Csilver
• Daluminium

Question 7

In which failure theory, maximum normal strain actually more than maximum normal strain in simple tension test.

• AMaximum principal stress theory
• BMaximum shear stress theory
• CMaximum normal strain theory
• DTotal strain energy theory

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