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Agniveer Army Technical 2027 Mock Test Series with Answers | Military Brat Defence Academy

Q: The earth wire is used mainly for:

Correct Answer: B. safety against electric shock. Earthing provides a safer path for fault current.

Q: A fuse is connected in a circuit mainly to:

Correct Answer: B. protect against excess current. A fuse protects a circuit from excessive current.

Q: A heat engine converts heat energy mainly into:

Correct Answer: A. mechanical work. Heat engines convert thermal energy into mechanical work.

Q: The SI unit of power is:

Correct Answer: B. Watt. Power is measured in watts.

Q: 80 C of charge passes a point in 9 s. Current is:

Correct Answer: A. 8.88889 A. Current I = Q/t.

Q: A 6 kg body moves at 6 m/s. Its kinetic energy is:

Correct Answer: A. 108 J. KE = 1/2 mv².

Q: The Sun produces energy mainly through:

Correct Answer: B. nuclear fusion. Solar energy is produced by nuclear fusion.

Q: A sample has mass 260 g and volume 60 cm³. Density is:

Correct Answer: A. 4.33333 g/cm³. Density = mass/volume.

Q: A wave has frequency 60 Hz and wavelength 2 m. Its speed is:

Correct Answer: A. 120 m/s. Wave speed v=fλ.

Q: A current of 4 A flows through a resistance of 4 Ω. The voltage is:

Correct Answer: A. 16 V. Ohm's law: V = IR.

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Series: Agniveer Army Technical 2027 Mock Test Series

QID #1144187 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 06 Medium

The earth wire is used mainly for:

Correct Answer: B. safety against electric shock
Earthing provides a safer path for fault current.

Question: The earth wire is used mainly for:

A. increasing voltage

B. safety against electric shock

C. reducing frequency

D. increasing power

Correct Answer: B. safety against electric shockExplanation: Earthing provides a safer path for fault current.

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QID #1144186 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 06 Medium

A fuse is connected in a circuit mainly to:

Correct Answer: B. protect against excess current
A fuse protects a circuit from excessive current.

Question: A fuse is connected in a circuit mainly to:

A. increase current

B. protect against excess current

C. raise voltage

D. store charge

Correct Answer: B. protect against excess currentExplanation: A fuse protects a circuit from excessive current.

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QID #1144185 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 06 Medium

A heat engine converts heat energy mainly into:

Correct Answer: A. mechanical work
Heat engines convert thermal energy into mechanical work.

Question: A heat engine converts heat energy mainly into:

A. mechanical work

B. chemical energy

C. mass

D. pressure only

Correct Answer: A. mechanical workExplanation: Heat engines convert thermal energy into mechanical work.

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QID #1144184 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 14 Medium

The SI unit of power is:

Correct Answer: B. Watt
Power is measured in watts.

Question: The SI unit of power is:

A. Joule

B. Watt

C. Newton

D. Volt

Correct Answer: B. WattExplanation: Power is measured in watts.

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QID #1144183 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 14 Medium

80 C of charge passes a point in 9 s. Current is:

Correct Answer: A. 8.88889 A
Current I = Q/t.

Question: 80 C of charge passes a point in 9 s. Current is:

A. 8.88889 A

B. 720 A

C. 89 A

D. 0.1125 A

Correct Answer: A. 8.88889 AExplanation: Current I = Q/t.

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QID #1144182 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 14 Medium

A 6 kg body moves at 6 m/s. Its kinetic energy is:

Correct Answer: A. 108 J
KE = 1/2 mv².

Question: A 6 kg body moves at 6 m/s. Its kinetic energy is:

A. 108 J

B. 36 J

C. 216 J

D. 18 J

Correct Answer: A. 108 JExplanation: KE = 1/2 mv².

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QID #1144181 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 06 Medium

The Sun produces energy mainly through:

Correct Answer: B. nuclear fusion
Solar energy is produced by nuclear fusion.

Question: The Sun produces energy mainly through:

A. combustion

B. nuclear fusion

C. nuclear fission

D. chemical reaction

Correct Answer: B. nuclear fusionExplanation: Solar energy is produced by nuclear fusion.

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QID #1144180 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 06 Medium

A sample has mass 260 g and volume 60 cm³. Density is:

Correct Answer: A. 4.33333 g/cm³
Density = mass/volume.

Question: A sample has mass 260 g and volume 60 cm³. Density is:

A. 4.33333 g/cm³

B. 15600 g/cm³

C. 0.230769 g/cm³

D. 320 g/cm³

Correct Answer: A. 4.33333 g/cm³Explanation: Density = mass/volume.

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QID #1144179 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 06 Medium

A wave has frequency 60 Hz and wavelength 2 m. Its speed is:

Correct Answer: A. 120 m/s
Wave speed v=fλ.

Question: A wave has frequency 60 Hz and wavelength 2 m. Its speed is:

A. 120 m/s

B. 30 m/s

C. 62 m/s

D. 0.0333333 m/s

Correct Answer: A. 120 m/sExplanation: Wave speed v=fλ.

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QID #1144178 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 06 Medium

A current of 4 A flows through a resistance of 4 Ω. The voltage is:

Correct Answer: A. 16 V
Ohm's law: V = IR.

Question: A current of 4 A flows through a resistance of 4 Ω. The voltage is:

A. 16 V

B. 8 V

C. 1 V

D. 1 V

Correct Answer: A. 16 VExplanation: Ohm's law: V = IR.

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QID #1144177 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 06 Medium

A force of 22 N moves an object 4 m in the force direction. Work done is:

Correct Answer: A. 88 J
Work = force × displacement.

Question: A force of 22 N moves an object 4 m in the force direction. Work done is:

A. 88 J

B. 26 J

C. 5.5 J

D. 176 J

Correct Answer: A. 88 JExplanation: Work = force × displacement.

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QID #1144176 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 06 Medium

An object has initial velocity 4 m/s and acceleration 2 m/s² for 4 s. Final velocity is:

Correct Answer: A. 12 m/s
Use v = u + at.

Question: An object has initial velocity 4 m/s and acceleration 2 m/s² for 4 s. Final velocity is:

A. 12 m/s

B. 16 m/s

C. 8 m/s

D. 14 m/s

Correct Answer: A. 12 m/sExplanation: Use v = u + at.

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QID #1144175 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 14 Medium

If 152 J of work is done in 6 s, power is:

Correct Answer: A. 25.3333 W
Power = work/time.

Question: If 152 J of work is done in 6 s, power is:

A. 25.3333 W

B. 912 W

C. 158 W

D. 12.6667 W

Correct Answer: A. 25.3333 WExplanation: Power = work/time.

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QID #1144174 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 14 Medium

For u=7 m/s, a=4 m/s² and t=4 s, displacement is:

Correct Answer: A. 60 m
Use s = ut + 1/2 at².

Question: For u=7 m/s, a=4 m/s² and t=4 s, displacement is:

A. 60 m

B. 15 m

C. 28 m

D. 64 m

Correct Answer: A. 60 mExplanation: Use s = ut + 1/2 at².

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QID #1144173 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 14 Medium

A 6 kg body accelerates at 5 m/s². The net force is:

Correct Answer: A. 30 N
Use F = ma.

Question: A 6 kg body accelerates at 5 m/s². The net force is:

A. 30 N

B. 11 N

C. 60 N

D. 15 N

Correct Answer: A. 30 NExplanation: Use F = ma.

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QID #1144172 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 06 Medium

The binary representation of decimal 10 is:

Correct Answer: B. 1010
10 in binary is 1010.

Question: The binary representation of decimal 10 is:

A. 1001

B. 1010

C. 1100

D. 1110

Correct Answer: B. 1010Explanation: 10 in binary is 1010.

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QID #1144171 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 06 Medium

A bag has 4 red and 3 blue balls. Probability of drawing a red ball is:

Correct Answer: A. 4/7
Probability = favorable outcomes / total outcomes.

Question: A bag has 4 red and 3 blue balls. Probability of drawing a red ball is:

A. 4/7

B. 3/7

C. 1/7

D. 3/7

Correct Answer: A. 4/7Explanation: Probability = favorable outcomes / total outcomes.

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QID #1144170 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 06 Medium

The median of 18, 21, 24, 27, 30 is:

Correct Answer: B. 24
For five ordered values, the median is the third value.

Question: The median of 18, 21, 24, 27, 30 is:

A. 21

B. 24

C. 27

D. 30

Correct Answer: B. 24Explanation: For five ordered values, the median is the third value.

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QID #1144169 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 06 Medium

If the angle of elevation of the top of a pole is 45° and the observer is 20 m away, the pole's height (ignoring eye height) is:

Correct Answer: B. 20 m
tan45°=1, so height equals horizontal distance.

Question: If the angle of elevation of the top of a pole is 45° and the observer is 20 m away, the pole's height (ignoring eye height) is:

A. 10 m

B. 20 m

C. 20√2 m

D. 40 m

Correct Answer: B. 20 mExplanation: tan45°=1, so height equals horizontal distance.

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QID #1144168 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 06 Medium

The value of sin 45° is:

Correct Answer: A. √2/2
sin 45° has the standard value shown.

Question: The value of sin 45° is:

A. √2/2

B. 1

C. 0

D. √3

Correct Answer: A. √2/2Explanation: sin 45° has the standard value shown.

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