Mechanical J.E Quiz-64

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Question 1

If an element is loaded as shown in figure below, the von Mises stress will be close to

• A180 MPa
• B350 MPa
• C255 MPa
• D495 MPa

Question 2

In a centrifugal pump casing, the flow of water leaving the impeller is

• ARectilinear flow
• BFree vortex motion
• CRadial flow
• DForced vortex

Question 3

Which of the following method is said to be a direct method in numerical methods

• ARegula-Falsi method
• BGauses Siedel method
• CNewton-Raphson method
• DGauss elimination method

Question 4

The relationship between the linear elastic properties Young’s Modulus (E), rigidity modulus (G) and Bulk modulus (K) is given by _________.

• A
• B
• C
• D

Question 5

An expansion process as per law PV = constant is known as

• AParabolic expansion
• BHyperbolic expansion
• CIsentropic expansion
• DFree expansion

Question 6

Speed of an aeroplane is measured by ______.

• Apitot tube
• BHot wire anemometer
• CVenturimeter
• DRotameter

Question 7

Stress vs strain relation of the Newtonian fluid is

• AParabolic
• BLinear
• CHyperbolic
• DInverse type

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