300 questions
11
Mixed
Easy
PYQ
+1.0
-0.33
Arrange the following steps in the correct order to draw an equilateral triangle with each side of 35 mm. 1. Join CA and CB. 2. Draw a line and mark AB 35 mm as the side of the triangle. 3. With radius AB and center A and B, draw arcs cutting at C. 4. ABC is the required triangle.
12
Mixed
Easy
PYQ
+1.0
-0.33
Which of the following best describes the construction of a mica capacitor?
13
Mixed
Easy
PYQ
+1.0
-0.33
Which component in a magnetic hydraulic MCB holds the ferrous plunger?
14
Mixed
Easy
PYQ
+1.0
-0.33
Which of the following is a characteristic of an SCR?
15
Mixed
Easy
PYQ
+1.0
-0.33
The magnitude of EMF induced by an alternator is given as (B is flux density, L is length of conductors, V is velocity of rotation and θ is the angle at which the conductor cuts the lines of force).
16
Mixed
Easy
PYQ
+1.0
-0.33
Gaskets, seals and spacers are made using
17
Mixed
Easy
PYQ
+1.0
-0.33
According to BIS SP 46-2003, which of the following applications is correctly represented by a chain-thin line in engineering drawings?
18
Mixed
Easy
PYQ
+1.0
-0.33
Alternators run at a speed ______ synchronous speed.
19
Mixed
Easy
PYQ
+1.0
-0.33
A transformer’s open circuit test is used to determine
20
Mixed
Easy
PYQ
+1.0
-0.33
How long does a fuse element take to melt when carrying twice its rated current?