SSC JE Mechanical Engineering 1st March 2017 Shift-1

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SSC JE Mechanical Engineering 1st March 2017 Shift-1 - Question 38

A hunter while chasing a prey walks 5 km North, then turns East and walks 3 km, then turns North and walks 10 km, then turns to his left and walks 3 km. Where is he now with respect to the starting position?

SSC JE Mechanical Engineering 1st March 2017 Shift-1 - Question 39

Two friends A and B Start from the same point. A walks 4 m North, then turns to his right and walks 6 m. Meanwhile B has walked 6 M East, then he turns to his left and walks 12 m. Where is B now with respect to the position of A?

SSC JE Mechanical Engineering 1st March 2017 Shift-1 - Question 40

In the question two statements are given, followed by two conclusions, I and II. You have to consider the statements to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.

Statement 1: Some apples are green.
Statement 2: All green things are healthy.

Conclusion I: Some apples are healthy.
Conclusion II: No apples are healthy.

SSC JE Mechanical Engineering 1st March 2017 Shift-1 - Question 41

In the question a statement is given, followed by two arguments, I and II. You have to consider the statement to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given arguments, if any, is a b argument.

Statement : Should learning self defence be made compulsory for girl students?

Argument I : No, there is a risk that they will misuse these skills to bully others.
Argument II : Yes, in an environment where cases of assault on women are increasing, self defence training becomes one essential part of women safety.

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SSC JE Mechanical Engineering 1st March 2017 Shift-1 - Question 45

In the following figure, square represents coaches, triangle represents teachers, circle represents players and rectangle represents boys.Which set of letters represents boys who are not players and teachers who are not boys?

SSC JE Mechanical Engineering 1st March 2017 Shift-1 - Question 50

A word is represented by only one set of numbers as given in any one of the alternatives. The sets of numbers given in the alternatives are represented by two classes of alphabets as shown in the given two matrices. The columns and rows of Matrix-I are numbered from 0 to 4 and that of Matrix-II are numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its column, for example 'Q' can be represented by 10, 41 etc and 'Q' can be represented by 76, 97 etc. Similarly, you have to identify the set for the word 'ULTRA'.

SSC JE Mechanical Engineering 1st March 2017 Shift-1 - Question 55

Consider the following pairs:
          Name :                                Formula
1] 1-Phenoxyheptane : $$C_6H_5OCH_2CH_3$$
2] Ethoxybenzene : $$C_6H_5O(CH_2)_6-CH_3$$
3] 1-Methoxypropane : $$CH_3OCH_2CH_2CH_3$$
4] Propan-1-ol : $$CH_3-CH_2-CH_2-OH$$
Which of the above pairs are correctly matched?

SSC JE Mechanical Engineering 1st March 2017 Shift-1 - Question 65

Which of the following is true with respect to SMC (Short run marginal cost) and AVC (Average variable cost) ?

SSC JE Mechanical Engineering 1st March 2017 Shift-1 - Question 74

With reference to the interior of the earth consider the following statements.
1] The P-waves are similar to sound waves. They can travel through only solid materials.
2] The mean thickness of continental crust is around 30 km.
3] The surface waves are the last to report on seismograph.
Which of the statements given above is / are correct?

SSC JE Mechanical Engineering 1st March 2017 Shift-1 - Question 79

With reference to India's freedom struggle consider the following statements.
1] The Turkish ruler Mehmed Murad-V abolished the Caliphate.
2] In February 1922, a group of peasants attacked and torched a police station in the hamlet of Chauri Chaura.
3] During the Non-Cooperation Movement Gandhiji was arrested in March 1922, and charged with sedition.
Which of the statements given above is / are correct?

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SSC JE Mechanical Engineering 1st March 2017 Shift-1 - Question 85

Consider the following pairs:
Event : Time interval (Seconds)
1] Period of X-rays : 10-8
2] Life time of an excited state of an atom : 10-1
3] Time between successive human heartbeats : 100
4] Rotation period of the earth : 105
Which of the above pairs are correctly matched?

SSC JE Mechanical Engineering 1st March 2017 Shift-1 - Question 86

The correct relationship between Moment of Inertia, Torque and Angular acceleration is?

SSC JE Mechanical Engineering 1st March 2017 Shift-1 - Question 90

Which of the following is a characteristic of a "First Past the Post" electoral system?

SSC JE Mechanical Engineering 1st March 2017 Shift-1 - Question 102

An ideal air compressor cycle (with clearance) on p-v diagram can be represented by ________ processes.

SSC JE Mechanical Engineering 1st March 2017 Shift-1 - Question 105

In regarding nucleate boiling _______.

SSC JE Mechanical Engineering 1st March 2017 Shift-1 - Question 106

Boundary layer is defined as ______.

SSC JE Mechanical Engineering 1st March 2017 Shift-1 - Question 107

Two insulating materials of thermal conductivity K and 2K are available forlagging a pipe carrying a hot fluid. If the radial thickness of each material is the same _____.

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SSC JE Mechanical Engineering 1st March 2017 Shift-1 - Question 152

To avoid vaporisation in the pipe line, the pipe line over the ridge is laid such that it is not more than _____.

SSC JE Mechanical Engineering 1st March 2017 Shift-1 - Question 155

Water flows up a tapered pipe as shown in the figure. What is the magnitude of the deflection h of the differential mercury manometer corresponding to a discharge of 126 L/s?
The friction in the pipe can be completely neglected.

SSC JE Mechanical Engineering 1st March 2017 Shift-1 - Question 156

If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring a definite B.H.P., the same pump when handling a liquid of specific gravity 0.75 and viscosity nearly same as of water would discharge

SSC JE Mechanical Engineering 1st March 2017 Shift-1 - Question 159

Water at $$20^\circ C$$ flowing through a 20 cm diameter pipe. Take kinematic viscosity of water at $$20^\circ C$$ is equal to 0.0101 stoke. Assume that the changes from laminar to turbulent at $$R_e = 2320$$. The critical velocity will be _____.

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SSC JE Mechanical Engineering 1st March 2017 Shift-1 - Question 176

The outside diameter of a hollow shaft is twice it's inside diameter. The ratio of its torque carrying capacity to that of a solid shaft of the same material and the same outside diameter is _____

SSC JE Mechanical Engineering 1st March 2017 Shift-1 - Question 180

When two mutually perpendicular principal stresses are unequal but alike, the maximum shear stress is represented by _____.

SSC JE Mechanical Engineering 1st March 2017 Shift-1 - Question 184

All the failure theories give nearly the same result _____.

SSC JE Mechanical Engineering 1st March 2017 Shift-1 - Question 186

In a closed helical spring subjected to an axial load, other quantities remaining the same, if the wire diameter is doubled and mean radius of the coil is also doubled, then stiffness of spring when compared to original one will become _____.

SSC JE Mechanical Engineering 1st March 2017 Shift-1 - Question 189

For an element under the effect of biaxial state of normal stress, the normal stresses are on a $$45^\circ$$ plane is equal to _____.

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