Explore topic-wise MCQs in Engineering.

The thickness of a sharp crested weir is kept less than

If h is the difference in level between end points separated by l, then the slope correction is . The second term may be neglected if the value of h in a 20 m distance is less than

In a mortar, the binding material is

Hydrographic surveys deal with the mapping of

An ideal vertical curve to join two gradients, is

The ratio of maximum velocity to average velocity of viscous fluid through a circular pipe is

A flow line makes angles ₁ and ₂ with the normal to the interface of the soils having permeabilities k₁, k₂ before and after deflection. According to the law of deflection of the flow lines at the interface of the dissimilar soils

Under-reamed piles are generally

Product of Renold number, Froud's number and Mach number is :

The side slope of Cipolletti weir is generally kept

The c.g. of a thin hollow cone of height h, above its base lies on the axis, at a height of

Most economical section of a circular channel for maximum discharge

The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at its centroid, if

Bernoulli's equation assumes that

The masses of two balls are in the ratio of 2 : 1 and their respective velocities are in the ratio of 1 : 2 but in opposite direction before impact. If the coefficient of restitution is , the velocities of separation of the balls will be equal to

Two forces act an angle of 120 . If the greater force is 50 kg and their resultant is perpendicular to the smaller force, the smaller force is

If the volume of a liquid weighing 3000 kg is 4 cubic metres, 0.75 is its

If the tension in a cable supporting a lift moving upwards is twice the tension when the lift is movng downwards, the acceleration of the lift, is

The sewage is pumped up

The gas which may cause explosion in sewers, is

A square hole is punched out of a circular lamina, the diagonal of the square being the radius of the circle. If r is the radius of the circle, the C.G. of the remainder from the corner of the square on the circumference will be

Removal of oil and grease from sewage, is known

A cable loaded with 0.5 tonne per horizontal metre span is stretched between supports in the same horizontal line 400 m apart. If central dip is 20 m, the minimum tension in the cable, will be

If a particle is projected inside a horizontal tunnel which is 554 cm high with a velocity of 60 m per sec, the angle of projection for maximum range, is

A bullet weighing 200 g is fired horizontally with a velocity of 25 m/sec from a gun carried on a carriage which together with the gun weighs 100 kg. The velocity of recoil of the gun, will be

A uniform rod 9 m long weighing 40 kg is pivoted at a point 2 m from one end where a weight of 120 kg is suspended. The required force acting at the end in a direction perpendicular to rod to keep it equilibrium, at an inclination 60 with horizontal, is

The tension in a cable supporting a lift

When a body in equilibrium undergoes an infinitely small displacement, work imagined to be done, is known as

A satellite moves in its orbit around the earth due to

If three rigid rods are hinged together to form a triangle and are given rotary as well as translatory motion, the number of instantaneous centres of the triangle, will be

The mechanical advantage of an ideal machine is 100. For moving the local through 2 m, the effort moves through

To attain the synchronous orbit, the launch of a satellite, is done from a place

If the radius of the earth is 600 km the height of a mountain above sea level at the top of which a beat seconds pendulum at sea level, looses 27 seconds a day, is

The length of a Second's pendulum, is

The total time of collision and restitution of two bodies, is called

Engineer's units of force, is

The product of mass and velocity of a moving a body, is called

The angle which an inclined surface makes with the horiontal when a body placed on it is on the point of moving down, is called

Work may be defined as

The c.g. of the shaded area of the below figure whose curve OM is a parabola from y-axis, is

A projectile is thrown at an angle a to the horizontal with velocity v. It will have the maximum centripetal acceleration

The Law of Polygon of Forces states that

Parallelogram Law of Forces states, "if two forces acting simultaneously on a particle be represented in magnitude and direction by two adjacent sides of a parallelogram, their resultant may be represented in magnitude and direction by

In sewers the effect of scouring is more on

A rain sanitary sewer is constructed to carry

In R.C. sewer pipes, the percentage longitudinal reinforcement to the cross-sectional area of concrete is kept

Dilution method of disposing off sewage, is not preferred to

The maximum velocity of a body vibrating with a simple harmonic motion of amplitude 150 mm and frequency 2 vibrations/sec, is

If the gravitational accelerational at any place is doubled, the weight of a body, will

For house drainage minimum gradient is