Q. When two parallel and coplaner shafts are connected by gears having teeth parallel to the axis of the shaft, the arrangement is known as spiral gearing.

View solution

Q. A screw is specified by its

View solution

Q. The wear load should be __________ the dynamic load.

View solution

Q. The velocity factor for ordinary cut gears operating at velocities upto 12.5 m/s is equal to

View solution

Q. The property of a bearing material which has the ability to accomodate small particles of dust, grit etc. without scoring the material of the journal, is called

View solution

Q. The shock resistance of steel is increased by adding

View solution

Q. The ratio of driving tensions for flat belts, neglecting centrifugal tension, is (where T1, and T2 = Tensions on the tight and slack sides of belt respectively, μ = Coefficient of friction, between the belt and pulley, and θ = Angle of contact)

View solution

Q. A flange coupling is a type of rigid coupling.

View solution

Q. The strength of the un-riveted plate (P) per pitch length is equal to

View solution

Q. Two shafts of the same length and material are joined in series. If the ratio of their diameters is 2, then the ratio of their angles of twist will be

View solution

Q. Wahl's stress factor __________ very rapidly as the spring index decreases.

View solution

Q. For circumferential joint in boilers, the type of joint used is

View solution

Q. In cyclic loading, stress concentration is more serious in

View solution

Q. For a square key made of mild steel, the shear and crushing strength are related as

View solution

Q. According to Rankine's theory, the failure occurs at a point in a member

View solution

Q. The dedendum is the radial distance from the

View solution

Q. In a steam engine, the valve rod is connected to an eccentric rod by means of

View solution

Q. In helical gears, the distance parallel to the axis, between similar faces of adjacent teeth, is called

View solution

Q. Which of the following property is desirable in parts subjected to shock and impact loads?

View solution

Q. In block brakes, the ratio of shoe width to wheel diameter is taken between

View solution