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82 Engineering Questions And Answers

21⟩ The number of kilowatts in 135 milliwatts is A. 1.35 × 10-4 kW B. 135 × 10-3 kW C. 0.0135 kW D. 0.00135 kW

Option A

(1.35 × 10-4 kW)

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22⟩ When converting 7,000 nA to microamperes, the result is A. 0.007 µA B. 0.7 µA C. 700 µA D. 7 µA

Option D

(7 µA)

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23⟩ The number 65,000 expressed in scientific notation as a number between 1 and 10 times a power of ten is A. 0.65 × 104 B. 6.5 × 104 C. 65 × 104 D. 650 × 103

Option B

(6.5 × 104)

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24⟩ When these numbers are multiplied, (6 × 103) (5 × 105), the result is A. 3 × 108 B. 30 × 108 C. 300 × 109 D. 3,000 × 107

Option B

(30 × 108)

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25⟩ Fourteen milliamperes can be expressed as A. 14 MA B. 14 µA C. 14 kA D. 14 mA

Option D

(14 mA)

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26⟩ When converting 1,600 kilohms to megohms, the result is A. 1,600,000 M B. 160 M C. 1.6 M D. 0.160 M

Option C

(1.6 M)

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27⟩ What is (79 × 106)/(12 × 10-8) A. 6,580 × 1012 B. 658 × 1010 C. 6.58 × 1014 D. 0.658 × 1016

Option C

(6.58 × 1014)

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28⟩ The number 4,500,000 can be expressed as A. 4,500 × 106 B. 4.5 × 106 C. 4.5 × 10-3 D. either 4,500 × 103 or 4.5 × 106

Option B

(4.5 × 106)

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29⟩ The quantity 43 × 10-3 is the same as A. 0.043 B. 0.430 C. 430 D. 43,000

Option A

(0.043)

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30⟩ Current is measured in A. watts B. volts C. henries D. amperes

Option D

(amperes)

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31⟩ The number of megohms in 0.03 kilohms is A. 0.00002 M B. 0.0002 M C. 3 × 10-5 M D. either 0.00002 M or 0.0002 M

Option C

(3 × 10-5 M)

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32⟩ Voltage is measured in A. volts B. farads C. watts D. ohms

Option A

(volts)

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33⟩ The bodies which rebound after impact are called A. inelastic bodies B. elastic bodies C. neither elastic nor inelastic bodies D. none of these

Option B

(elastic bodies)

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34⟩ The number 0.0003 multiplied by 10-3 is A. 0.0000003 B. 0.0003 C. 3 D. 3,000

Option A

(0.0000003)

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35⟩ The number 4.4 × 106 ohms expressed using a metric prefix is A. 4 k B. 4.4 k C. 4 M D. 4.4 M

Option D

(4.4 M)

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36⟩ When a particle moves along a circular path with uniform velocity, there will be no tangential acceleration. A. Correct B. Incorrect

Option A

(Correct)

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37⟩ A body will begin to move down an inclined plane if the angle of inclination of the plane is __________ the angle of friction. A. equal to B. less than C. greater than

Option C

(greater than)

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38⟩ In a mortar, the binding material is A. cement B. sand C. surkhi D. cinder.

Option A

(cement)

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39⟩ Static friction is always __________ dynamic friction. A. equal to B. less than C. greater than

Option C

(greater than)

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40⟩ The mechanical advantage of a lifting machine is the ratio of A. distance moved by effort to the distance moved by load B. load lifted to the effort applied C. output to the input D. all of the above

Option B

(load lifted to the effort applied)

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Engineering

Home Engineering Engineering

82 Engineering Questions And Answers

21⟩ The number of kilowatts in 135 milliwatts is A. 1.35 × 10-4 kW B. 135 × 10-3 kW C. 0.0135 kW D. 0.00135 kW

22⟩ When converting 7,000 nA to microamperes, the result is A. 0.007 µA B. 0.7 µA C. 700 µA D. 7 µA

23⟩ The number 65,000 expressed in scientific notation as a number between 1 and 10 times a power of ten is A. 0.65 × 104 B. 6.5 × 104 C. 65 × 104 D. 650 × 103

24⟩ When these numbers are multiplied, (6 × 103) (5 × 105), the result is A. 3 × 108 B. 30 × 108 C. 300 × 109 D. 3,000 × 107

25⟩ Fourteen milliamperes can be expressed as A. 14 MA B. 14 µA C. 14 kA D. 14 mA

26⟩ When converting 1,600 kilohms to megohms, the result is A. 1,600,000 M B. 160 M C. 1.6 M D. 0.160 M

27⟩ What is (79 × 106)/(12 × 10-8) A. 6,580 × 1012 B. 658 × 1010 C. 6.58 × 1014 D. 0.658 × 1016

28⟩ The number 4,500,000 can be expressed as A. 4,500 × 106 B. 4.5 × 106 C. 4.5 × 10-3 D. either 4,500 × 103 or 4.5 × 106

29⟩ The quantity 43 × 10-3 is the same as A. 0.043 B. 0.430 C. 430 D. 43,000

30⟩ Current is measured in A. watts B. volts C. henries D. amperes

31⟩ The number of megohms in 0.03 kilohms is A. 0.00002 M B. 0.0002 M C. 3 × 10-5 M D. either 0.00002 M or 0.0002 M

32⟩ Voltage is measured in A. volts B. farads C. watts D. ohms

33⟩ The bodies which rebound after impact are called A. inelastic bodies B. elastic bodies C. neither elastic nor inelastic bodies D. none of these

34⟩ The number 0.0003 multiplied by 10-3 is A. 0.0000003 B. 0.0003 C. 3 D. 3,000

35⟩ The number 4.4 × 106 ohms expressed using a metric prefix is A. 4 k B. 4.4 k C. 4 M D. 4.4 M

36⟩ When a particle moves along a circular path with uniform velocity, there will be no tangential acceleration. A. Correct B. Incorrect

37⟩ A body will begin to move down an inclined plane if the angle of inclination of the plane is __________ the angle of friction. A. equal to B. less than C. greater than

38⟩ In a mortar, the binding material is A. cement B. sand C. surkhi D. cinder.

39⟩ Static friction is always __________ dynamic friction. A. equal to B. less than C. greater than

40⟩ The mechanical advantage of a lifting machine is the ratio of A. distance moved by effort to the distance moved by load B. load lifted to the effort applied C. output to the input D. all of the above

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