Civil Engineering Mcqs

A shell of mass 100 kg travelling with a velocity of 10 m/sec breaks into two equal pieces during an explosion which provides an extra kinetic energy of 20000 Joules. If the pieces continue to move in the same direction as before, then the speed of the faster one must be____________________?

• (A)  20 m/sec
• (B)  30 m/sec
• (C)  40 m/sec
• (D)  50 m/sec

Answer

Submitted By :Ali Uppal

A particle is executing simple harmonic motion in a line 1.0 m long. If the time of one complete vibration is 1 sec, then the maximum velocity of the particle is___________________?

• (A)  1.00 m/sec
• (B)  1.57 m/sec
• (C)  3.14 m/sec
• (D)  6.28 m/sec

Answer

Submitted By :Ali Uppal

Joule is the unit of__________________?

• (A)  power
• (B)  impulse
• (C)  work
• (D)  momentum

Answer

Submitted By :Ali Uppal

A quantity whose dimensions are M2L2 T3 could be the product of_________________?

• (A)  force and pressure
• (B)  mass and power
• (C)  energy and velocity
• (D)  force and velocity

Answer

Submitted By :Ali Uppal

If y is force and x is velocity, then dimensions of —=r are dx2__________________?

• (A)  M’^T’
• (B)  M’L-‘T0
• (C)  M’L-‘T1
• (D)  M2L’T3

Answer

Submitted By :Ali Uppal

The dimensions of centrifugal force are__________________?

• (A)  M1 L2 T2
• (B)  M’L’T1
• (C)  M’L’T2
• (D)  M’L-‘T2

Answer

Submitted By :Ali Uppal

The unit of rotational inertia of a body in C.G.S system is________________?

• (A)  cm4
• (B)  kg-cm2
• (C)  gm-cm2
• (D)  gm-cm3

Answer

Submitted By :Ali Uppal

In SI units, the units of force and energy are respectively___________________?

• (A)  Newton and watt
• (B)  Dyne and erg
• (C)  Newton and joule
• (D)  kg-wt and joule

Answer

Submitted By :Ali Uppal

A cable loaded with 10 kN/m of span is stretched between supports in the same horizontal line 100 m apart. If the central dip is 10 m, then the maximum and minimum pull in the cable respectively are____________________?

• (A)  1346.3 kN and 1500 kN
• (B)  1436.2 kN and 1250 kN
• (C)  1346.3 kN and 1250 kN
• (D)  1436.2 kN and 1500 kN

Answer

Submitted By :Ali Uppal

Impulse can be obtained from a_________________?

• (A)  force-displacement diagram
• (B)  force-time diagram
• (C)  velocity-time diagram
• (D)  velocity-displacement diagram

Answer

Submitted By :Ali Uppal