महाराष्ट्र अभियंता सेवा पूर्व परीक्षा २०१७

The number of different plain scales recommended by IS 1491 - 1959 for the use of engineers are

Contour lines of different elevations can unite to form one line only in the case of

When it is not possible to set up the levelling instrument between the points, the type of levelling to be used is

A level is set up in between two points A and B. Elevation of point A is 201•100 m (i.e. B.M.). If the B.S. reading taken on point A is 2.225 m and F.S. reading taken on point B is 1.895 m, then what is the elevation of point B?

In modern terminology, the performance of refrigerators and air-conditioners is expressed in terms of Energy Efficiency Rating (EER). The relation between EER and Coefficient of Performance (COP) is

Heat transfer by conduction takes place according to

A heavy nucleus split into two or more lighter nuclei is known as

Thrust ball bearing carries

In hydroelectric power plants, _________ provides an accelerating head which increases the velocity of flow in the pipeline corresponding to the increased demand by the turbine.
a. Spillways

b. Surge tanks

c. Forebay

d.Penstock

Which of the above is/are correct ?

Which of the following are the inversions of double Slider Crank Chain mechanism ?

a. Scotch yoke and Oscillating cylinder engine

b. Oldham's coupling and Hand pump 

c. Elliptical trammel and Oldham's coupling

d. Whitworth quick-return mechanism and Scotch yoke  Only b or c

Which of the above is/are correct ?

Which casting defect occur due to excess moisture content in moulding sand ?

Material selection criteria for the connecting rod of an I.C. engine capable to withstand fluctuating stresses is

___________ is the best cutting angle of twist drill used for drilling brass material
workpiece.

The amount of taper in a workpiece is usually specified by the ratio of 

Thevenin's theorem can be applied to networks containing

When a Q-factor of a circuit is low, then

In a balanced star-connected system, line voltages are _________ ahead of their respective phase voltage..

The superposition theorem is essentially based on 

The purpose of oil in high rating transformer is for

a. lubrication of core. 

b. insulation.

c. cooling of transformer. 

d. providing fuel for operation. 

Which of the above statements is/are correct? 

While measuring the power in a three-phase load by two-wattmeter method, the readings of the wattmeters will be equal and opposite when