Unit And Measurement MCQ

Test your knowledge with important Unit And Measurement MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Unit And Measurement MCQs at Bissoy

• Ohm-m is unit of . . . . . . . .?
  ক

  Resistivity

  খ

  Electric current

  গ

  Charge

  ঘ

  Resistance
• Which of the following combinations of measures of quantity and unit is not a correct match?
  ক

  Weight ⟺ Cubic metre

  খ

  Temperature ⟺ Kelvin

  গ

  Pressure ⟺ Pascal

  ঘ

  Mass ⟺ Kilogram
• Volt is SI unit of . . . . . . . .?
  ক

  Resistance

  খ

  Electric charge

  গ

  Electric current

  ঘ

  Electric potential
• Multimeter consist of-
  ক

  Current and Ohm meter

  খ

  Voltmeter & Ohm meter

  গ

  Voltmeter & Current

  ঘ

  Voltmeter, Currentmeter & Ohm meter
• 5.5 kWh = ?
  ক

  14.4 × 10⁸J

  খ

  14.4 × 10⁵J

  গ

  14.0 × 10⁶J

  ঘ

  19.80 × 10⁶J
• Which of the following speed of flow measuring instrument is area meter?
  ক

  Venturimeter

  খ

  Rotameter

  গ

  Pitot tube

  ঘ

  None of these
• The SI unit of weight is
  ক

  Kg

  খ

  Newton

  গ

  Gram

  ঘ

  Dyne
• Ampere second is the unit of-
  ক

  Charge

  খ

  Power

  গ

  Voltage

  ঘ

  Energy
• Tachometer is used for-
  ক

  R.P.M.

  খ

  Torque

  গ

  Rotational kinetic energy

  ঘ

  Distance
• The unit of the force constant k of a spring is
  ক

  N-m

  খ

  N/m

  গ

  N-m²

  ঘ

  n/m²
• SI unit of displacement is-
  ক

  Meter

  খ

  Kilometer

  গ

  Centimeter

  ঘ

  Meter per second
• Choose the incorrect statement out of the following.
  ক

  Every measurement by a measuring instrument has some error

  খ

  Every calculated physical quantity that is based on measured values has same error

  গ

  A measurement can have more accuracy but less precision and vice-versa

  ঘ

  The precentage error is different from relative error
• The intensity of Earthquake is measured in
  ক

  Richter scale

  খ

  Decibel scale

  গ

  pH scale

  ঘ

  Celsius scale
• The unit of Force is:
  ক

  gms^-1

  খ

  Kgms^-2

  গ

  gms^-2

  ঘ

  Kgms^-1
• Which one of the following SI unit is not correctly matched?
  ক

  Work ⟺ Joule

  খ

  Force ⟺ Newton

  গ

  Mass ⟺ kg

  ঘ

  Pressure ⟺ Dyne
• The unit of electric power is
  ক

  Ampere

  খ

  Volt

  গ

  Coulomb

  ঘ

  Watt
• Which one of the following is not the unit of heat?
  ক

  Centigrade

  খ

  Calorie

  গ

  Erg

  ঘ

  Joule
• The SI unit of 'g' is same as-
  ক

  Pressure

  খ

  Momentum

  গ

  Velocity

  ঘ

  Acceleration
• Which device is used in submarines to see things above the level of the sea?
  ক

  Pyrometer

  খ

  Epidiascope

  গ

  Periscope

  ঘ

  Odometer
• 1 Joule = ?
  ক

  1N × 1m

  খ

  1W × 1h

  গ

  1N × 1cm

  ঘ

  1Pa × 1m
• SI unit of pressure is-
  ক

  Newton/cm²

  খ

  Newton-m²

  গ

  Newton/m²

  ঘ

  Newton-cm²
• Pascal is a unit of measuring
  ক

  Humidity

  খ

  Pressure

  গ

  Rainfall

  ঘ

  Temperature
• One pikogram is equal to
  ক

  10^-6 gram

  খ

  10^-9 gram

  গ

  10^-12 gram

  ঘ

  10^-15 gram
• The least count of the vernier callipers is
  ক

  0.001

  খ

  0.01 cm

  গ

  1 cm

  ঘ

  None of the above
• Which of the following is unit of temperature-
  ক

  Degree

  খ

  Celsius

  গ

  Fahrenheit

  ঘ

  Kelvin
• What is 746 watt called?
  ক

  1 horsepower

  খ

  1 kW

  গ

  1 Pascal

  ঘ

  1 Joule
• One kilogram is
  ক

  the mass of a platinum-iridium cylinder kept in Paris

  খ

  the mass of mercury kept in pans

  গ

  the length of the path travelled by light in vacuum

  ঘ

  None of the above
• 'Light Year' is
  ক

  The year in which February has 29 days

  খ

  The distance travelled by light in one year

  গ

  The time which Sun rays take to reach the Earth

  ঘ

  The time in which a spacecraft reaches Moon from the Earth
• Kilowatt-hour is the unit of
  ক

  energy

  খ

  power

  গ

  force

  ঘ

  momentum
• SONAR is mostly used by
  ক

  Astronauts

  খ

  Doctors

  গ

  Engineers

  ঘ

  Navigators