A shaft rotating N.R.M. under a torque T, transmits a power_______________?
(A) /30 Newton metres/sec
(B) /30 Newton metres/min
(C) /60 Newton metres/min
(D) /60 Newton metres/sec
A masonry dam (density = 20,000 N/m3) 6 m high, one metre wide at the top and 4 m wide at the base, has vertical water face. The minimum stress at the base of the dam when the reservoir is full, will be_______________________?
(A) 75 N/m2
(B) 750 N/m 2
(C) 7500 N/m 2
(D) 75000 N/m2
In plastic analysis, the shape factor for rectangular section, is________________?
(A) 1.4
(B) 1.5
(C) 1.6
(D) 1.7
In the truss shown in the given figure, the force in member BC is______________?
(A) 100 t compressive
(B) 100 t tensile
(C) Zero
(D) Indeterminate
The moment of inertia of a circular section about any diameter D, is______________?
(A) /64
(B) 4/32
(C) 3/64
(D) 4/64
In the truss shown in given figure, the force in member BD is______________?
(A) 100 t compressive
(B) 100 t tensile
(C) Zero
(D) Indeterminate
The eccentricity (e) of a hollow circular column, external diameter 25 cm, internal diameter 15 cm for an eccentric load 100 t for non-development of tension, is__________________?
(A) 2.75 cm
(B) 3.00 cm
(C) 3.50 cm
(D) 4.25 cm
If the strain energy stored per unit volume in a hollow shaft subjected to a pure torque when t attains maximum shear stress fs the ratio of inner diameter to outer diameter, is 17/64 (f /N)s__________________?
(A) 1/2
(B) 1/3
(C) 1/4
(D) 1/5
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________________?
(A) 10 m
(B) 12 m
(C) 14 m
(D) 16 m
Principal planes are subjected to_________________?
(A) Normal stresses only
(B) Tangential stresses only
(C) Normal stresses as well as tangential stresses
(D) None of these