Q41. What is the unit of magnetic flux?
Correct: Weber
Magnetic flux is measured in Weber.
Q42. Which device converts electrical energy to mechanical?
Correct: Motor
Motor converts electrical to mechanical energy.
Q43. What is the SI unit of temperature?
Correct: Kelvin
SI unit is Kelvin.
Q44. Which metal is used for making bearings?
Correct: Bronze
Bronze is used in bearings.
Q45. What is the unit of resistance?
Correct: Ohm
Resistance is measured in Ohm.
Q46. Which cycle is used in petrol engines?
Correct: Otto cycle
Petrol engines work on Otto cycle.
Q47. Which test measures hardness?
Correct: Brinell test
Brinell test measures hardness.
Q48. Which material is brittle?
Correct: Glass
Glass is brittle.
Q49. What is the unit of voltage?
Correct: Volt
Voltage is measured in Volt.
Q50. Which part converts steam energy to mechanical energy?
Correct: Turbine
Turbine converts steam energy.
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