The ratio of the moments of resistance of a solid circular shaft of diameter D and a hollow shaft (external diameter D and internal diameter d) is

A rectangular beam 20 cm wide is subjected to a maximum shearing force of 10000 kg,the corresponding maximum shear stress being 30 kg/cm². The depth of the beam is

The length of pipe is L, velocity of flow of iquid in the pipes is V. if t is the time in seconds required to close the valve, the head of pressure H is

Manning's formula is used for

Which of the following is a failure in flexible pavements?

Which of the following methods will give the accurate result while traversing?

Which of the following is the accurate method for plotting traverse area?

A regular hexgonal prism of metal,having base edge 4 cm. and height 4 cm is melted and produced small hexagonal prism of height 4 cm. and base edge 1 cm.How many small prism will get :

An alloy of tin and copper consists 20 parts tin and 100 parts copper the % tin in the alloys.

Find the ratio of volumes of a circular cone to a cylinder having same diameter and height:

The radius of a sphere is doubled, the volume increased how many times

The following polygon are inscribed in a circle having same diameter which polygon should have maximum area

A circular ring is having outside diameter 8cm and inside diameter 6 cm. What should be the area?

The area of a triangle = √(s(s-a) (s-b)(s-c)) Here "s" stands for :

The perimeter of a circle, pentagon octagon and hexagon are same. Which is having more area?

Area of hexagonal lamina having side 4cm:

Total surface area of hemisphere of radius 1 m is equal to

The radius of a circular sector is doubled.The area will be increased how many times:

The curved surface area of a cylinder is double (two times) the base area. The ratio of height to radius:

Which of the following pair of lines can not be parallel

An isosceles triangle has two equal side of length 'a' and angle between them is α.Then the area of triangle:

How far will a wheel of 1m diameter travel in 200 revolutions?

The volume of sphere of diameter 2 m =

A rectangular field is 36m long & 30m wide.A path of uniform width and of area 360 m²run around inside it. Find the width

On the floor of a room, there is carpet measuring 10m x 13m. There is a surround 2.5 m wide The are of the surround is

The base of a triangle is 25 cm and altitude is 12 cm. Area will be

Area of a rectangular field is 1200 m² and its length is 3 times width. What is the perimeter?

How many cubes of 3 m edge can be cut of a cube of 18 m. edge?

The surface area of a cube is 150 m² find its volume:

A piece of wire 78 cm long is given a shape of an isosceles triangle. The ratio of one equal side to the base is 5:3. The length of base in cm

Which of the following number is a perfect square

If x+y = 6 and 3x-y = 4,, then x-y =

Which of the following is largest ?

25% of 200 + 20% of 150 is

If 2m +n = m+2n, then m-n is equal to

The instrument that is used for measurement of angles

A solid generated by the revolution of a semicircle about its diameter is called

The number of edges in a Octahedron

At the magnetic poles, amount of dip is

Which of the following is not in the group?

"Clinograph" is a

Bow compass is used for

The chord passing through the focus of a conic and perpendicular to the axis is called

The maximum number of tangents drawn to a circle from a point outside the circle

Take the odd man out

Cycloidal curves are included in which groups

Which conic shape is widely used in engineering application

"Asymptote" is

Which conic is known as "central conic"A. B. C. D.

Path of a projectile is in the form of a ....