Q.1
The analytical procedure of studying physical phenomena in variables, and corelating them to obtain a dimensionless group is known as ________
  • a) Dimensional constants
  • b) Dimensional homogeneity
  • c) Dimensional variable
  • d) Dimensional analysis
Q.2
The occurrence of closeness of measured values towards each other is known as ______
  • a) Accuracy
  • b) Precision
  • c) Measurement
  • d) Dimensional Analysis
Q.3
What are the principles for ensuring the consistency of an equation through dimensional analysis?
  • a) I & II
  • b) II
  • c) III
  • d) I, II & III
Q.4
State True or False.
  • a) True, True
  • b) False, False
  • c) True, False
  • d) False, True
Q.5
What are the dimensions of Energy?
  • a) (MLT-2)
  • b) (M-1L3T-2)
  • c) (M L2T-2)
  • d) (LT-2)
Q.6
In Fluid dynamics, Reynold’s number is a dimensionless number. True or False?
  • a) False
  • b) True
Q.7
What is the ratio of inertial force to gravitational force known as?
  • a) Weber number
  • b) Froude number
  • c) Reynold’s number
  • d) Euler Number
Q.8
Is Plane angle a derived unit?
  • a) True
  • b) False
Q.9
What is the ratio of inertial force to compressibility force and is also the key parameter, characterizing compressibility effects in fluids?
  • a) Froude number
  • b) Strouhal number
  • c) Mach number
  • d) Weber number
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