Subject Repository
Electrical Engineering Mcqs
Showing 1461 – 1480 of 3,699 verified multiple choice questions with answers and explanations.
Q1461NTS / FPSC / PPSC
Ajax Wyatt furnace is started when____________?
Q1462NTS / FPSC / PPSC
Radiations from a black body are proportional to____________?
Q1463NTS / FPSC / PPSC
Which of the following methods is used to control temperature in resistance furnaces ?
Q1464NTS / FPSC / PPSC
In arc furnace the function of choke is______________?
Q1465NTS / FPSC / PPSC
Hysteresis loss and eddy current loss are used in____________?
Q1466NTS / FPSC / PPSC
In electric press, mica is used because it is _________ conductor of heat but/and __________ conductor of electricity?
Q1467NTS / FPSC / PPSC
In heating the ferromagnetic material by induction heating, heat is produced due to_____________?
Q1468NTS / FPSC / PPSC
Resistance variation method of temperature control is done by connecting resistance elements in_____________?
Q1469NTS / FPSC / PPSC
Which of the following devices is necessarily required for automatic temperature control in a furnace ?
Q1470NTS / FPSC / PPSC
Direct arc furnaces have which of the following power factors ?
Q1471NTS / FPSC / PPSC
Which of the following is an advantage of eddy current heating ?
Q1472NTS / FPSC / PPSC
Radiant heating is used for which of the following ?
Q1473NTS / FPSC / PPSC
For radiant heating around 2250°C, the heating elements are made of____________?
Q1474NTS / FPSC / PPSC
The electrode of a direct arc furnace is made of____________?
Q1475NTS / FPSC / PPSC
In direct arc furnace, which of the following has high value ?
Q1476NTS / FPSC / PPSC
In a domestic cake baking oven the temperature is controlled by________________?
Q1477NTS / FPSC / PPSC
Due to which of the following reasons it is desirable to have short arc length ?
Q1478NTS / FPSC / PPSC