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KPSC ITI JTO Workshop Calculation and Science 2018
54

KPSC ITI JTO Workshop Calculation and Science Question Papers - 2018 with Answer Key

54) The temperature at which plain carbon steel changes into austenite is called

upper critical temperature

lower critical temperature

melting temperature

freezing temperature

Answer is:

upper critical temperature

KPSC ITI JTO Workshop Calculation and Science Question Papers - 2018 with Answer Key

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Related KPSC ITI JTO Workshop Calculation and Science Question Papers - 2018 with Answer Key

55) Hydrometer is used to

find out relative density of solids

find out relative density of liquids and solids

find out specific gravity of liquids

None of the above

Answer is:

find out relative density of liquids and solids

Hydrometer is used to

56) Weight of an alloy is 200 gm in air and 175 gm in water. The relative density is equal to

200

0.125

1.14

8

Answer is:

8

57) The maximum value of a sine wave AC voltage is 10 V. What is its RMS value?

1.414 V

6.060 V

7.070 V

14.140 V

Answer is:

7.070 V

58) A capacitor of 4.7 micro Farade is connected to an AC of 230 V and a frequency of 50 Hz. What is the current (I) through capacitor?

0.34 A

1.34 A

2.34 A

0.00 A

Answer is:

0.34 A

KPSC ITI JTO Workshop Calculation and Science Question Papers - 2018 with Answer Key

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