Exam preparation MCQs with answers

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The bulk modulus of elasticity___________________?
  • (A)  has the dimensions of 1/pressure
  • (B)  increases with pressure
  • (C)  is large when fluid is more compressible
  • (D)  is independent of pressure and viscosity
  • (E)  is directly proportional to flow
Alcohol is used in manometer, because____________________?
  • (A)  its vapour pressure is low
  • (B)  it provides suitable meniscus for the inclined tube
  • (C)  its density is less
  • (D)  it provides longer length for a given pressure difference
  • (E)  it provides accurate readings