Chapter 1 · MCQ Read Mode

Basic Mechanical Engineering Concept

In first-angle projection, the top view is placed:

Hidden edges on a machine drawing are shown by:

The throat thickness of a fillet weld of leg size s is:

According to Unwin's formula, rivet diameter d (mm) for plate thickness t (mm) is:

The efficiency of a riveted joint is the ratio of:

A double-start thread has a pitch of 2 mm. Its lead is:

The thread best suited for a bench vice, where heavy axial force acts in one direction, is:

A key which transmits torque only by friction is the:

A key that permits axial movement of the hub along the shaft is the:

The difference between the minimum size of a hole and the maximum size of the mating shaft is called:

The fit H7/p6 is an example of:

On a surface-texture symbol, a horizontal bar added to the basic tick means:

Interchangeability of parts in mass production is achieved mainly by:

As the tolerance specified on a component is made tighter, the manufacturing cost generally:

The property that allows a metal to be drawn into wires is:

The energy absorbed by a material up to the elastic limit is called:

In a Vickers hardness test, the indenter is a:

In the Izod impact test, the specimen is held as a:

Duralumin is an alloy of aluminium mainly with:

Brass is an alloy of:

The minimum chromium content for a steel to be called stainless is about:

Fatigue failure occurs under:

Which process improves fatigue strength by inducing compressive residual stress?

The creep stage used as the basis for design is:

In galvanic corrosion between zinc and steel, the metal that corrodes is:

Dezincification of brass is an example of:

Testing of a welded pressure vessel without damaging it is carried out by:

Value analysis of a component mainly aims to:

The number of atoms per unit cell in an FCC structure is:

The atomic packing factor of a BCC structure is:

γ-iron (austenite) has which crystal structure?

In an edge dislocation, the Burgers vector is:

According to Gibbs' phase rule at constant pressure, the degrees of freedom at the eutectic point of a binary alloy are:

The reaction Liquid + Solid α → Solid β on cooling is called:

The eutectoid composition in the iron-carbon diagram is about:

Pearlite is a lamellar mixture of:

The hardest micro-constituent obtained by rapid quenching of steel is:

In spheroidal graphite (ductile) cast iron, graphite nodules are produced by adding:

Which of the following is a thermosetting plastic?

According to the Hall-Petch relation, decreasing grain size:

Annealing is often carried out between stages of deep drawing in order to:

Replacing several machined metal parts by a single injection-moulded plastic part is attractive mainly when:

Kirchhoff's Voltage Law is based on the conservation of:

Two 10 Ω resistors connected in parallel have an equivalent resistance of:

The form factor of a sinusoidal wave is:

In a star-connected three-phase system, line voltage equals:

The synchronous speed of a 4-pole, 50 Hz induction motor is:

A 4-pole, 50 Hz induction motor runs at 1440 rpm. Its slip is:

The DC motor best suited for electric traction and cranes is the:

The direction of induced EMF in a generator is found by:

A transformer has maximum efficiency when:

Transformer cores are laminated mainly to reduce:

A Zener diode is mainly used as a:

For a BJT with α = 0.98, the current gain β is:

Power-factor improvement capacitors are installed in an industrial plant mainly to:

Fitting a variable-frequency drive to a centrifugal pump saves energy because pump power varies approximately as:

While operating a lathe or drilling machine, the operator should NOT:

The correct extinguisher for a fire on live electrical equipment is:

A micrometer with 0.5 mm pitch and 50 thimble divisions has a least count of:

In a lathe, the lead screw is used for:

The cutting speed when turning a 50 mm diameter bar at 200 rpm is approximately:

Long, gentle tapers on a lathe are best produced by:

The quick-return mechanism is used in a:

In down (climb) milling, the cutter rotates:

Number of crank turns on a dividing head (40:1) to cut a 20-tooth gear is:

For grinding a very hard material, the wheel should be:

The standard point angle of a general-purpose twist drill is:

In DC arc welding with straight polarity (DCSP), the electrode is connected to the:

The oxy-acetylene flame used for welding brass is:

A bar is turned over a length of 300 mm at a feed of 0.2 mm/rev and 500 rpm. The machining time is:

The main industrial-engineering benefit of using jigs and fixtures is:

An organisation structure in which an employee reports to two bosses is:

Functional organisation was introduced by:

Who is known as the father of modern (administrative) management theory?

The Hawthorne experiments are associated with:

Management by Objectives (MBO) was popularised by:

In Blake and Mouton's Managerial Grid, the ideal (team management) style is:

The informal channel of communication in an organisation is called:

According to Herzberg, salary and working conditions are:

The highest level need in Maslow's hierarchy is:

Selection in HRM is generally called a negative process because it:

Fixed cost Rs 50,000, selling price Rs 25/unit, variable cost Rs 15/unit. Break-even quantity is:

An information system that integrates finance, HR, production and sales on a common database is:

The Delphi method is used for:

Time study, standardisation of tools and methods, and the differential piece-rate system were introduced by:

According to Herzberg's two-factor theory, salary and working conditions are: