A close coil helical spring when subjected to a moment M having its axis along the axis of the helix_________________?

A. It is subjected to pure bending
B. Its mean diameter will decrease
C. Its number of coils will increase
D. All the above

Maximum strain theory for the failure of a material at the elastic limit, is known as_______________?

A. Guest’s or trecas’ theory
B. St. venant’s theory
C. Rankine’s theory
D. Haig’s theory

A two hinged parabolic arch of span l and rise h carries a load varying from zero at the left end to________________?

A. /4h thrust is
B. /8h
C. /12h
D. /16h

A composite beam is composed of two equal strips one of brass and other of steel. If the temperature is raised___________________?

A. Steel experiences tensile force
B. Brass experiences compressive force
C. Composite beam gets subjected to a couple
D. All the above

Which two countries left UNESCO on 1 January 2019?

A. Usa & israel
B. France & germany
C. Belgium & canda
D. None of these

Pakistan’s first electronic grave belongs to____________?

A. Abdul sattar edhi
B. Dr. ruth pfau
C. Jaun elia
D. None of these

Maximum principal stress theory for the failure of a material at elastic point, is known________________?

A. Guest’s or trecas’ theory
B. St. venant’s theory
C. Rankine’s theory
D. Von mises’ theory

Who is the current Health Secretary of KPK?

A. Adnan javed
B. Abid majeed
C. Mohammad idress
D. Dr farooq jameel

Hazrat Muhammad (SAW) had ______ wives.

A. 10
B. 11
C. 12
D. 13

KRL Stands for:

A. Khan research laboratories
B. Kahuta research laboratories
C. Karachi research laboratories
D. None of them