Q:

The force of friction between two surfaces will increase if:

A) a layer of lubricant is kept between the two surfaces	B) the two surfaces are pressed harder
C) air gap is created between the two surfaces	D) irregularities on both the surfaces are removed

Answer & Explanation Answer: B) the two surfaces are pressed harder

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Q:

Acceleration is

A) Inversely proportional to force	B) Inversely proportional to mass
C) Directly proportional to mass	D) Directly proportional to force

Answer & Explanation Answer: D) Directly proportional to force

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Q:

An incident ray strikes a plane mirror at an angle of 20 deg with the mirror. The angle between the incident ray and reflected ray is ____.

A) 140 deg	B) 40 deg
C) 50 deg	D) 20 deg

Answer & Explanation Answer: A) 140 deg

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Q:

Two identical resistors, each of 10 ohm, are connected in parallel. This combination, in turn, is connected to a third resistor of 10 ohm. The equivalent resistance of the combination is ___.

A) 30 ohm	B) 5 ohm
C) 15 ohm	D) 10 ohm

Answer & Explanation Answer: C) 15 ohm

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Q:

Which one of the following statements about reusable space vehicle of ISRO is not correct?

A) In June 2016, ISRO successfully launched India’s first reusable space vehicle.	B) The space vehicle was launched from Satish Dhawan Space Centre at Sriharikota in Andhra Pradesh.
C) The reusable launch vehicle climbed to a height of 65 km before automatically steering back for landing.	D) The vehicle was initially boosted by a rocket that contained liquid fuel.

Answer & Explanation Answer: A) In June 2016, ISRO successfully launched India’s first reusable space vehicle.

Explanation:

May 23, 2016 ISRO successfully flight-tested India’s first winged body aerospace vehicle operating in hypersonic flight regime. In this experimental mission, the HS9 solid rocket booster carrying RLV-TD lifted off from the First Launch Pad at Satish Dhawan Space Centre, Sriharikotaat 07:00 hr IST. After a successful flight of 91.1second, HS9 burn out occurred, following which both HS9 and RLV-TD mounted on its top coasted to a height of about 56 km. At that height, RLV-TD separated from HS9 booster and further ascended to a heightof about 65 km.

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Q:

Which Indian female mountaineer recently created the fastest record of scaling Mount Everest back-to-back twice within 5 days?

A) Anshu Jamsenpa	B) Arunima Sinha
C) Premlatha Agarwal	D) Bachedri Pal

Answer & Explanation Answer: A) Anshu Jamsenpa

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Q:

"Trade unions" is listed in the __________ list given in the Seventh Schedule of the Constitution of India.

A) Union	B) State
C) Global	D) Concurrent

Answer & Explanation Answer: D) Concurrent

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Q:

The Look East Policy in India was started by which of the following Prime Ministers?

A) Rajiv Gandhi	B) Atal Bihari Vajpayee
C) P.V. Narasimha Rao	D) Manmohan Singh

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