SSC JE Mechanical Engineering 29th Jan 2018 Shift-2

For the following questions answer them individually

A hawker starts from his home. He pushes his cart 2 km North, then he turns West and walks 3 km, then he turns South and walks 7 km, then he turns to his left and walks 3 km. Where is he with respect to his home?

Rahul and Shyam start cycling from their club. Rahul rides 11 km South, then turns to his left and rides 15 km. In the meanwhile Shyam rides 7 km East, then turns South and rides 17 km, then turns to his left and rides 8 km. Where is Shyam with respect to Rahul?

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:
Some gas is air
Statement II:
Some nitrogen is gas

Conclusion I: Some nitrogen is air
Conclusion II:
All gas is nitrogen

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:
No marble is granite
Statement II:
All stones are marble
Statement III:
Some rocks are stones

Conclusion I: Some rocks are granite
Conclusion II:
Some marble are rocks
Conclusion III:
No stones are granite

In the following figure, square represents Philosophers, triangle represents Police Officer, circle represents Pharmacists and rectangle represents Americans. Which set of letters represents Pharmacists who are not police officers ?

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 'C' can be represented by 43, 14 etc and 'Q' can be represented by 89, 65 etc, Similarly, you have to identify the set for the word 'YANK'.

Which of the following statements is correct?

Which of the following statement(s) is/are CORRECT with respect to BIOS?
I. It is a set of computer instructions in firmware.
II. It controls input and output operations.
III. Full form of BIOS is basic input-output system.

What precaution should be taken to avoid the overloading of domestic electric
circuits?

If link 1 moves with angular velocity $$\omega_1$$ and the second link moves with $$\omega_2$$ in the same direction. Which is the correct equation for rubbing velocity at a pin joint whose radius is r ?

Which of the following option is TRUE for a crank rocker mechanism?

Which of the following method is CORRECT for increasing the torque transmitting capacity of the clutch?

The maximum value of the bending moment for a cantilever beam with a uniformly distributed load (w) over the entire length is given as ________.

Which of the statement is TRUE?

Which of the following equation is TRUE for entropy generation?

Two reversible engines are working under same temperature ranges, which of the following statement is/are TRUE?

The work extracted from the system is equal to the heat provided to the system. Which of the following is TRUE for the energy of the system?

In electro discharge machining, the erosion of metal is achieved

For the same compression ratio, the efficiency of the dual cycle

For a fluid flow according to boundary layer concepts, separation occurs when the

Consider the following statements:
1. Piezometer is used to measure small variation of pressure above or below ambient pressure.
2.Thixotropic fluid exhibits decrease in viscosity with time.
Which of the above statements is/are correct?

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