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objective Ques (61 results)
11)

In plastic analysis, the shape factor for rectangular section, is

Civil Engineering
A)

1.4

B)

1.5

C)

1.6

D)

1.7

E)

1.8

12)

A truss containing j joints and m members, will be a simple truss if

Civil Engineering
A)

m = 2j - 3

B)

j = 2m - 3

C)

m = 3j - 2

D)

j = 3m - 2

13)

The ratio of maximum shear stress to average shear stress of a circular beam, is

Civil Engineering
A)

\(2 \over 3\)

B)

\(3 \over 2\)

C)

\(3 \over 4\)

D)

\(4 \over 3\)

14)

A rolled steel joist is simply supported at its ends and carries a uniformly distributed load which causes a maximum deflection of 10 mm and slope at the ends of 0.002 radian. The length of the joist will be,

Civil Engineering
A)

10 m

B)

12 m

C)

14 m

D)

16 m

E)

18 m

15)

If Q is load factor, S is shape factor and F is factor of safety in elastic design, the following:

Civil Engineering
A)

Q = S + F

B)

Q = S - F

C)

Q = F - S

D)

Q = S x F

16)

An adiabatic process occurs in

JEE Physics
A)

open system

B)

closed system

C)

isolated system

 

D)

 in all the given system

17)

Three moles of an ideal gas expanded spontaneously into vacuum. The work done will be :

JEE Physics
A)

Zero

B)

Infinite

C)

3 Joules

 

D)

9 Joules

18)

Hess's law is based on

JEE Physics
A)

law of conservation of mass

B)

law of conservation of energy

C)

first law of thermodynamics

 

D)

None of the above

19)

In order to decompose 9 g water 142.5 kJ heat is required. Hence, the enthalpy of formation of water is

JEE Physics
A)

-142.5 kJ

B)

+ 142.5 kJ

C)

- 285 kJ

 

D)

+ 285 kJ

20)

If one mole of ammonia and one mole of hydrogen chloride are mixed in a closed container to form ammonium chloride gas, then

JEE Physics
A)

∆H > ∆U

B)

∆H = ∆U

C)

∆H < ∆U

 

D)

there is no relationship

showing 11 - 20 results of 61 results