SSC JE Mechanical Engineering 27th Jan 2018 Shift-2

Download PDF
For the following questions answer them individually
Cracku Banner
SSC JE Mechanical Engineering 27th Jan 2018 Shift-2 - Question 29

At a wedding A said to B that the groom was her sister's son. B said that the bride was the daughter:in-law of his brother. How are A and B related to each other?

SSC JE Mechanical Engineering 27th Jan 2018 Shift-2 - Question 38

A auto picks a passenger and travels West 3.5 km, then it turns to its left and rides for another 2.5 km, then it turns East and rides for 6.5 km, then it turns to its left and rides 2.5 km. Where is the auto now with respect to its starting position?

SSC JE Mechanical Engineering 27th Jan 2018 Shift-2 - Question 39

Two taxis start from the same stand. Taxi A travels 10 km North, then turns to its right and travels a further 7 km. Meanwhile Taxi B travels 6 km West,then turns South and travels 5 km, then it turns to its left and travels 13 km. Where is Taxi B with respect to Taxi A?

SSC JE Mechanical Engineering 27th Jan 2018 Shift-2 - 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 I: All sky is blue
Statement II: Some red is sky
Conclusion I: Some red is blue
Conclusion II: All red is blue

SSC JE Mechanical Engineering 27th Jan 2018 Shift-2 - Question 41

In the question three statements are given, followed by three conclusions, I, II and III. 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 I: All race is running
Statement II: Some running is sports
Statement III: Some race is athletics

Conclusion I: Some running is athletics
Conclusion II: All athletics is sports
Conclusion III: Some running is race

Cracku Banner
SSC JE Mechanical Engineering 27th Jan 2018 Shift-2 - 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 'G' can be represented by 31, 13 etc and 'X' can be represented by 89, 75 etc. Similarly, you have to identify the set for the word 'AWRY'.

Cracku Banner
SSC JE Mechanical Engineering 27th Jan 2018 Shift-2 - Question 86

Which of the following statement(s) is/are CORRECT for critical angle?
I. Refractive angle is $$90^{o}$$.
II. Light ray goes from rarer to denser medium.
III. Light ray goes from denser to rarer medium.

SSC JE Mechanical Engineering 27th Jan 2018 Shift-2 - Question 89

Which of the following statement is INCORRECT?

SSC JE Mechanical Engineering 27th Jan 2018 Shift-2 - Question 110

Which of the following is TRUE about the torque transmitting capacity of the conical clutch?

SSC JE Mechanical Engineering 27th Jan 2018 Shift-2 - Question 113

Which of the following is correctly depicted of the riveted joint?

SSC JE Mechanical Engineering 27th Jan 2018 Shift-2 - Question 115

The strength equation for the rivet in the double riveted joints is given by ________

SSC JE Mechanical Engineering 27th Jan 2018 Shift-2 - Question 116

Choose the CORRECT statement about the kinetic friction and the static friction.

Cracku Banner
SSC JE Mechanical Engineering 27th Jan 2018 Shift-2 - Question 121

A steel rod whose diameter is 2 cm and is 2 m long experiences change in temperature due to heating. The coefficient of thermal expansion is $$\alpha = 12 \times 10^{-6}/^\circ C$$ and the rod has been restricted in its oriainal posdion The young s modulus is 200 GPa and thermal stress developed is 288 Kipa What is the value change in the temperature ($$^\circ C$$)?

SSC JE Mechanical Engineering 27th Jan 2018 Shift-2 - Question 123

The formula for the Euler's buckling load is given as $$\frac{4 \pi^2 El}{L^2}$$. This is TRUE for which of the following columns.

SSC JE Mechanical Engineering 27th Jan 2018 Shift-2 - Question 125

The elongation (mm) in a steel bar having a square cross section of 2.5 mm is subjected to an axial compressive load of 250 kN. If the length of the bar is 4 m and the modulus of elasticity is E = 250 GPa. What is the square cross section?

SSC JE Mechanical Engineering 27th Jan 2018 Shift-2 - Question 127

Determine the axial strain in the cylindrical wall at the mid depth, when the Young's modulus and the Poisson's ratio of the container material is 200 GPa and 0.6 respectively. The axial and the circumferential stress are equal and its value is 20 MPa.

SSC JE Mechanical Engineering 27th Jan 2018 Shift-2 - Question 132

Which equation clearly defines the entropy change during the constant pressure process for a system with m kg of gas at pressure $$P_1$$ , volume $$V_1$$, . temperature $$T_1$$ and entropy $$s_1$$, when heated to state points of pressure $$P_2$$ , volume $$V_2$$, temperature $$T_2$$ and entropy $$s_2$$?

SSC JE Mechanical Engineering 27th Jan 2018 Shift-2 - Question 135

Which of the following equation is TRUE for entropy generation ($$\triangle s$$) for an irreversible and reversible process?

SSC JE Mechanical Engineering 27th Jan 2018 Shift-2 - Question 138

Which equation is the CORRECT representation for the steady flow energy equation for a nozzle?

SSC JE Mechanical Engineering 27th Jan 2018 Shift-2 - Question 141

There is an entropy change of 0.08 kJ/k for flowing water through a turbine in which due to fnction there is a temperature rise from $$T^\circ C$$ to $$40^\circ C$$. If there is no heat transfer taking place dunng the process Then what will be the value of T ?

SSC JE Mechanical Engineering 27th Jan 2018 Shift-2 - Question 144

The first Carnot engine work under temperature T1 and T2 and the second Carnot engine work under T2 and T3. Which is the same workout for the above mentioned Carnot engines?

Cracku Banner
SSC JE Mechanical Engineering 27th Jan 2018 Shift-2 - Question 163

Change in entropy during constant pressure process is given by the relation
(a) $$mC_p \log_e \frac{T_1}{T_2}$$
(b) $$mC_p \log_e \frac{T_2}{T_1}$$
(c) $$mC_v \log_e \frac{T_2}{T_1}$$
(d) $$m\frac{R}{J} \log_e \frac{T_2}{T_1}$$

SSC JE Mechanical Engineering 27th Jan 2018 Shift-2 - Question 171

The total force acting on a plane horizental surface in a liquid is equal to (given that w = Specific weight of water, X = Depth of liquid, A = Area of Surface)
(a) $$w \overline{x}A$$
(b) $$w \overline{x}$$
(c) $$\frac{w \overline{x}}{A}$$
(d) $$\frac{Aw}{\overline{x}}$$

SSC JE Mechanical Engineering 27th Jan 2018 Shift-2 - Question 186

The head loss in a sudden expansion from 6 cm diameter pipe to 12 cm diameterpipein termsof velocity v1 in the smaller diameterpipe is
(a) $$\frac{3}{16}.\frac{v_1^2}{2g}$$
(b) $$\frac{5}{16}.\frac{v_1^2}{2g}$$
(c) $$\frac{7}{16}.\frac{v_1^2}{2g}$$
(d) $$\frac{9}{16}.\frac{v_1^2}{2g}$$

SSC JE Mechanical Engineering 27th Jan 2018 Shift-2 - Question 188

The volute casing of ‘a centrifugal pump has which of the following functions?
1. Eliminating loss of head due to changein velocity after exit from impeller.
2. Directs the flow towards the delivery pipe.
3. Converts a part of the velocity head to pressure head.
4. Gives a constant velocity of flow.
Select the correct answer using the codes given below.

SSC JE Mechanical Engineering 27th Jan 2018 Shift-2 - Question 190

Which one ofthe following statements is correct? While using boundary layer equations, Bernoulli's equation

SSC JE Mechanical Engineering 27th Jan 2018 Shift-2 - Question 195

Forsimilarity, in addition to models being geometrically similar to prototype, the following in both cases should also be equal

SSC JE Mechanical Engineering 27th Jan 2018 Shift-2 - Question 196

In a single casing, multi-stage pump running at constant speed, the capacity rating is to be slightly lowered. It can be done by

SSC JE Mechanical Engineering 27th Jan 2018 Shift-2 - Question 197

The specific speed of turbine is defined as the speed of a unit

SSC JE Mechanical Engineering 27th Jan 2018 Shift-2 - Question 198

If A and v stand for head and velocity and suffixes s,dand f for suction, delivery and friction, the manometric headof a centrifugal pump is equal to
A] $$h_s + h_d$$
B] $$h_s + h_d + h_f$$
C] $$h_s + h_d + h_f + \frac{v_s^2}{2g}$$
D] $$h_s + h_d + h_f + \frac{v_d^2}{2g}$$

Cracku Banner

Join CAT 2026 course by 5-Time CAT 100%iler

Start your IIM journey with the right preparation and crack CAT 2026.

Enroll Now