Modular ratio of the two materials is the ratio of linear stress to linear strai

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Question
Modular ratio of the two materials is the ratio of
Options
A. linear stress to linear strain
B. shear stress to shear strain
C. their modulus of elasticities
D. their modulus of rigidities

Correct Answer

their modulus of elasticities

More questions

1. By fitting an air vessel to the reciprocating pump, there is always a saving of work done and subsequently saving of power.The saving in case of a double acting reciprocating pump is
Options
A. 39.2%
B. 48.8%
C. 84.8%
D. 88.4%

2. Power required (in watts) to drive a centrifugal pump is (where H_m = Manometric head in metres, w = Specific weight in N/m³, Q = Discharge of the pump in m³/s, and ?_o = Overall efficiency of the pump)
Options
A.
B.
C.
D.

3. In a __________ , both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram.
Options
A. simple die
B. progressive die
C. combination die
D. compound die

4. When ? is absorptivity, ? is reflectivity and ? is transmittivity, then for a diathermanous body,
Options
A. ? = 1, ? = 0 and ? = 0
B. ? = 0, ? = 1 and ? = 0
C. ? = 0, ? = 0 and ? = 1
D. ? + ? = 1 and ? = 0

5. In a shell and tube heat exchanger, baffles are provided on the shell side to
Options
A. improve heat transfer
B. provide support for tubes
C. prevent stagnation of shell side fluid
D. all of these

6. If the cutting speed is increased, then the built-up-edge
Options
A. becomes longer
B. may or may not form
C. becomes smaller and finally does not form at all
D. has nothing to do with speed

7. The heat supplied to the gaS at constant volume is (where m = Mass of gas, c_v = Specific heat at constant volume, c_p = Specific heat at constant pressure, T₂ - T₁ = Rise in temperature, and R = Gas constant)
Options
A. mR(T₂ - T₁)
B. mc_v(T₂ - T₁)
C. mc_p(T₂ - T₁)
D. mc_p(T₂ + T₁)

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