MPPSC Previous Year Question Paper डाउनलोड (Pre-Main) State Service/Engg

Question 1: According to principle of conservation of energy, the total momentum of a system of masses in any direction remains constant unless acted upon by an external force in that direction.

1. True
2. False

Answer: 2

Question 2:   The friction experienced by a body, when in motion, is known as

1. rolling friction
2. dynamic friction
3. limiting friction
4. static friction

Answer: 2

Question 3: The term ‘force’ may be defined as an agent which produces or tends to produce, destroys or tends to destroy motion.

1. Agree
2. Disagree

Answer: 1

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Question 4: The range of projectile on a downward inclined plane is __________ the range on upward inclined plane for the same velocity of projection and angle of projection.

1. less than
2. more than
3. equal to

Answer: 2

Question 5: If the resultant of two equal forces has the same magnitude as either of the forces, then the angle between the two forces is

1. 30°
2. 60°
3. 90°
4. 120°

Answer: 4

Question 6: Irrigation canals are generally aligned along

1. ridge line
2. contour line
3. valley line
4. straight line.

Answer: 1

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Question 7: The length of a meander is the distance along the river between the tangent point of one curve to the tangent point of

1. reverse curve
2. next curve of the same order
3. reverse curve plus the width of the river
4. none of these.

Answer: 2

Question 8: According to G.W. Pickles the effect of confining the flood water of a river between levee, is to increase

1. rate of flood wave
2. water surface elevation during floods
3. maximum discharge
4. velocity and scouring action
5. surface slope of streams above the leveed portion.

Answer: 5

Question 9: In a canal syphon, the flow is

1. under atmospheric pressure
2. pipe flow
3. with critical velocity
4. under negative pressure.

Answer: 2

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Question 10: When a canal and a drainage approach each other at the same level, the structure so provided, is

1. an aqueduct
2. a syphon
3. a level crossing
4. inlet and outlet.

Answer: 3

Question 11: A CST-9 sleeper consists of

1. two inverted triangular pots on either side of rail seat
2. a central plate with a projected key and box on the top of plate
3. a tie bar and 4 cotters to connect two cast iron plates
4. a single two way key provided on the gauge side to hold the rail to sleeper
5. All the above.

Answer: 5

Question 12: A scissors cross-over consists of

1. two pairs of points, four acute angle crossings and two obtuse angle crossings
2. four pairs of points, four acute angle crossings and four obtuse angle crossings
3. four pairs of points, six acute angle crossings and two obtuse angle crossings
4. two pairs of points, six acute angle crossings and four obtuse angle crossings.

Answer: 3

Question 13: To design a cross-over between parallel tracks, the required components are:

1. two switch, points, two acute angle crossings and two check rails
2. two switch points, two acute angle crossings and four check rails
3. two switch points, two acute angle crossings and six check rails
4. None of these.

Answer: 2

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Question 14: Charles Vignoles invented the flat footed rails in

1. 1814
2. 1836
3. 1846
4. 1856
5. 1873

Answer: 2

Question 15: To prevent percolation of water into formation, moorum is used as a blanket for

1. black cotton soil
2. sandy soil
3. clayey soil
4. all the above.

Answer: 1

Question 16: In India the rails are manufactured by

1. open hearth process
2. duplex process
3. both (a) and (b)
4. neither (a) nor (b)

Answer: 3

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Question 17: Mr. W. Simms, the consulting Engineer to the Government of India recommended the gauge for Indian railways

1. 1.435 m as adopted in England
2. 1.800 m as per Indian conditions
3. 1.676 m as a compromise gauge
4. 1.000 m as a standard gauge

Answer: 3

Question 18: If absolute levels of rails at the consecutive axles A, B, and C separated by 1.8 metres are 100.505 m, 100.530 m, and 100.525 m respectively, the unevenness of rails, is

1. 0.065 m
2. 0.055 m
3. 0.045 m
4. 0.035 m

Answer: 1

Question 19: Rail section first designed on Indian railways, was

1. double headed
2. bull headed
3. flat footed
4. (a) and (b) simultaneously

Answer: 1

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Question 20: Distance between inner faces of the flanges, is kept

1. equal to the gauge distance
2. slightly less than the gauge distance
3. slightly more than the gauge distance
4. None of these.

Answer: 2

Question 21: Mr. W. Simms, the consulting Engineer to the Government of India recommended the gauge for Indian railways

1. 1.435 m as adopted in England
2. 1.800 m as per Indian conditions
3. 1.676 m as a compromise gauge
4. 1.000 m as a standard gauge

Answer: 3

Question 22: If absolute levels of rails at the consecutive axles A, B, and C separated by 1.8 metres are 100.505 m, 100.530 m, and 100.525 m respectively, the unevenness of rails, is

1. 0.065 m
2. 0.055 m
3. 0.045 m
4. 0.035 m

Answer: 1

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Question 23: A CST-9 sleeper consists of

1. two inverted triangular pots on either side of rail seat
2. a central plate with a projected key and box on the top of plate
3. a tie bar and 4 cotters to connect two cast iron plates
4. a single two way key provided on the gauge side to hold the rail to sleeper
5. all the above.

Answer: 5

Question 24: Charles Vignoles invented the flat footed rails in

1. 1814
2. 1836
3. 1846
4. 1856
5. 1873

Answer: 2

Question 25: To design a cross-over between parallel tracks, the required components are:

1. two switch, points, two acute angle crossings and two check rails
2. two switch points, two acute angle crossings and four check rails
3. two switch points, two acute angle crossings and six check rails
4. none of these.

Answer: 2

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Question 26: Which one of the following statements is correct ?

1. Snow albedo falls at all wave length with the increase of grain size
2. The effect of grain size on reflection is maximum in the near-IR region
3. The effect of grain size on reflection is low in the visible region of the spectrum
4. All of these

Answer: 4

Question 27: The refractive index of the ocean water:

1. increases with salinity
2. increases with temperature
3. decreases with salinity
4. decreases with temperature

Answer: 1

Question 28: The arrangement of terrain features which provides attributes: the shape, size and texture of objects, is called :

1. spectral variation
2. spatial variation
3. temporal variation
4. None of these

Answer: 2

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Question 29: Electromagnetic radiation:

1. produces a time varying magnetic field and vice versa
2. once generated, remains self-propagat-ing.
3. is capable to travel across space
4. consists of magnetic and electric fields
5. All of these

Answer: 5

Question 30: Pick up the important characteristic of a target which facilitates its identification from the following:

1. spectral variation
2. spatial variation
3. temporal variation
4. polarisation variation
5. All of these

Answer: 5

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