ISRO ME 2019 Mini Mock 6 for ESE & GATE ME Exams

Question 1

In Edge dislocation, Burgers reactor is ______.

Question 2

An eutectoid steel consists of

Question 3

Let E and F be any two events with P(EUF)=0.8, P(E)=0.4 and P(E/F)=0.3. Then P(F) is

Question 4

Inverse laplace transform of

is

Question 5

A body of weight 300 N is being hanged by the support of two ropes as shown below:

What will be the Tensions in ropes AB and BC respectively (in N)?

Question 6

The force in member BC of steel truss structure shown in figure below is (Cross section of each member is A, Length of each member is ‘l’)

Question 7

Flow in a pipeline of constant diameter is said to be fully developed when

Question 8

The diameter of a soap bubble which has an inside pressure of 2.5 N/m² over the atmospheric pressure and a surface tension of 0.0125 N/m is

Question 9

Uniform heat is generated inside a slab of length 2m at a rate of 40 w/m³. Both sides of slab is exposed to surroundings having ambient Temperature of 29°C . The heat transfer coefficient for air is 5w/m²–k. Then what will be the wall temperature?

Question 10

Sun’s surface at 5800 K emits radiation at a wavelength of 0.5 µA . A furnace at 300

will emit through a small opening, radiation at a wavelength of

Question 11

Life of a ball bearing at load of 10 kN is is 24000 hours. If the load is increased to 20 kN(all other conditions are same), its life in hour is _________.

Question 12

A drawing which shown the product with its components in their correct physical relationship is called

Question 13

Interferometer is used to measure _______.

Question 14

Match the column:-

Defects

A) Alligatoring

B) Wrinkling

C) Scab

D) Fishtail

Process

1) Extrusion

2) Casting

3) Rolling

4) Deep-drawing

Question 15

The maximum value of reduction in rolling process is

Question 16

The ratio of circumferential strain to longitudinal strain in case of thin pressure vessels is:-

Question 17

Modulus of resilience for the below material is

Question 18

is the deflection under the load P of a cantilever beam (Length –L , modulus of elasticity. E, moment of inertia I). The strain energy due to bending is

Question 19

Diesel cycle efficiency is lower than Otto cycle efficiency for the same value compression ratio

and heat input because, in case of Otto cycle:

Question 20

An Aluminum ball of mass 5kg at a temperature of 327℃ is dropped in a lake whose temperature is 27℃. If the specific heat of Aluminum is 0.9 kJ/kgK, the entropy change for the Universe when the ball reaches equilibrium with lake is