Q.1

Candela (Cd) is used to express

  • luminous intensity
  • electric current intensity
  • power
  • frequency.
Q.2

Angular acceleration is expressed as

  • m/s2
  • w/s2
  • rad/s2
  • rad/s
Q.3

To convert the units of M.K.S. to units of S.I., a factor 9.is used for

  • mass
  • force
  • work energy
  • power
  • all the above.
Q.4

10-12, is called

  • Terra
  • pico
  • Giga
  • Mega
  • None of these.
Q.5

N-s/m2 is used in S.I. system for

  • Kinematic viscosity
  • Dynamic viscosity
  • Mass density
  • Weight density.
Q.6

The fundamental units in S.I. system, are the same as that of

  • C.G.S. units
  • F.P.S. units
  • M.K.S. units
  • None of these.
Q.7

The unit kg/m3 is used for

  • force
  • density
  • volume
  • pressure.
Q.8

One Newton force produces an acceleration of

  • 1 cm/sec2 while acting on a body of 1 gm mass
  • 1 cm/sec2 while acting on a body of 1 kg mass
  • 1 m/sec2 while acting on a body of 1 kg mass
  • 1 m/sec2 while acting on a body of 1 gm mass.
Q.9

SI unit for the surface tension, is

  • kg/m3
  • kg/m2
  • kg/m
  • N/m
Q.10

Pick up the correct statement from the following:

  • The units of moment of inertia of a plane area, depends upon the units of the area and the length
  • The moment of inertia is expressed in m4 if the area is in square metres and the length is also in metres
  • The moment of inertia is expressed in cm4 if the area is in square centimetres and the length in centimetres
  • The moment of inertia is expressed in mm4 if the area is in square millimetres and the length in millimetres
  • All the above.
Q.11

Basic unit of thermodynamic temperature, is

  • degree fahrenheit
  • degree centigrade
  • degree kelvin
  • degree absolute.
Q.12

The fundamental units in S.I. System are :

  • Centimetre, gram, second
  • Foot, pound, second
  • Metre, kilogram, second
  • Kilometre, kilogram, minute
  • None of these.
Q.13

The basic quantity in the International system of units, is

  • length and mass
  • time and temperature
  • mole and light intensity
  • electric current
  • all the above.
Q.14

The bar used for defining the standard metre at the International office of weights and measures at Sevres near Paris, is composed of

  • 50% platinum and 50% iridium
  • 60% platinum and 40% iridium
  • 70% platinum and 30% iridium
  • 80% platinum and 20% iridium
  • 90% platinum and 10% iridium
Q.15

Intensity of electric current is expressed in

  • volts
  • watts
  • amperes
  • joules.
0 h : 0 m : 1 s