Explore topic-wise MCQs in Graduate Aptitude Test (GATE).

Therbligs refer to the

The fixed cost and the variable cost of production of a product are Rs. 20000 and Rs. 50 per unit, respectively. The demand for the item is 500 units. To break even, the unit price of the items in Rs. should be

Reduction in the variability of manufactured product characteristics will definitely result in observations close to

A process needs to be standardized for method and time. Which one of the following represents the sequence of work study experiments?

Which one of the following is NOT a decision taken during the aggregate production planning stage?

In abrasive jet machining, as the distance between the nozzle tip and the work surface increases, the material removal rate

During normalizing process of steel, the specimen is heated

Which one of the following configurations has the highest fin effectiveness?

A circular solid disc of uniform thickness 20 mm, radius 200 mm and mass 20 kg, is used as a flywheel. If it rotates at 600 rpm, the kinetic energy of the flywheel, in Joules is

A thin walled spherical shell is subjected to an internal pressure. If the radius of the shell is increased by 1% and the thickness is reduced by 1%, with the internal pressure remaining the same, the percentage change in the circumferential (hoop) stress is

For a long slender column of uniform cross section, the ratio of critical buckling load for the case with both ends clamped to the case with both ends hinged is

It is proposed to conduct a work sampling study of workers in a machine shop. Which of the following information would be necessary to determine the number of observations?

In a value analysis exercise, the cost of a product has come down by 20 % without any change in its quality. The product value has improved by

Which one of the following is NOT a method of calculating depreciation?

A system that acquires knowledge, creates a knowledge base and applies a large but standard set of probability based rules to make a decision in a specific problem setting, is termed as

For a simple moving average forecasting method, as the length of averaging period increases, the forecast sensitivity

The number of defectives produced by a six sigma process (in parts per million) is

The best wire size (in mm) for measuring effective diameter of a metric thread (included angle is 60°) of 20 mm diameter and 2.5 mm pitch using two wire method is

The binding material used in cemented carbide cutting tools is

Which of the following powder production methods produces spongy and porous particles?

In resistance seam welding, the electrode is in the form of a

Which of the following welding processes results in the smallest heat affected zone?

Which of the following casting processes uses expendable pattern and expendable mould?

In sand casting, fluidity of the molten metal increases with

Which of the following is a surface (two-dimensional) imperfection in the crystal structure of common metals?

An ideal air standard Diesel cycle does NOT contain the following process:

A circular steel shaft is under elastic deformation due to torsion. The relationship between modulus of elasticity (E) and shear modulus of elasticity (G), taking v as Poisson’s ratio, is

Which one of the following intellectual properties can be classified as copyrights?

Austempering is a heat treatment process that is aimed al obtaining

As the weight percentage of carbon increases in plain carbon steel its

In powder metallurgy, sintering of a component

Ultrasonic machines, used in material removal processes, require ultrasonic transducers. The transducers work on different working principle. One of the working principles of such ultrasonic transducers is based on

In a rolling process, the roll separating force can be decreased by

Diamond cutting tools are not recommended for machining of ferrous metals due to

An autocollimator is used to

Which of the following processes is used to manufacture products with controlled porosity?

Anisotropy in rolled components is caused by

Hot chamber die casting process is NOT suited for

The capacity of a material to absorb energy when deformed elastically and to release it back when unloaded is termed as

A typical Fe-C alloy containing greater than 0.8% C is known as

Which of the following forecasting models explicitly accounts for seasonality of demand?

As per Kendall’s notation in M/G/c queuing system, the number of arrivals in a fixed time follows

Which of the following processes is NOT executed by an ideal Rankine cycle?

Which one of the following is a unary operation performed in relational data models?

Brittle material are machined with tools having zero or negative rake angle because it

In hollow cylindrical parts, made by centrifugal casting, the density of the part is

Self locking condition for a pair of square thread screw and nut having coefficient of friction = µ, lead of thread = L and pitch diameter of thread = d is given by

Which pair among the following solid state welding processes uses heat from external source?

P-Diffusion welding; Q-Friction welding; R-Ultrasonic welding; S-Forge welding

Which one of the following is a heat treatment process for surface hardening?

The REL chart is used for