Explore topic-wise MCQs in Energy Engineering.

This section includes 18 Mcqs, each offering curated multiple-choice questions to sharpen your Energy Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

Instrument used to measure direct beam of solar irradiance is called ____________

A. Pyranometer
B. Net radiometer
C. Gardon gauge
D. Pyrheliometer
Answer» E.
Discussion
2.

Which type of device is used to measure solar irradiance on a planar surface?

A. Pyranometer
B. Net radiometer
C. Gardon gauge
D. Pyrheliometer
Answer» B. Net radiometer
Discussion
3.

What is the angle of declination on 60th day of the leap year?

A. -8.29
B. 8.29
C. 4.82
D. 12.44
Answer» B. 8.29
Discussion
4.

What is the angle of declination on May 12 considering it’s a leap year?

A. 20.34o
B. 22.85o
C. 29.42o
D. 12.4o
Answer» B. 22.85o
Discussion
5.

How much would be the angle of declination on DECEMBER 21 at 0900 h (LAT). The collector s located in New Delhi (28o35’N, 77o12’E) and is tilted at an angle of 36o with the horizontal and is pointing south?

A. -44.28o
B. -28.92o
C. -23.45o
D. -42.22o
Answer» D. -42.22o
Discussion
6.

The vector sum of the components along the line normal of the titled surface in a direction normal to the tilted surface is called as __________

A. Solar intensity
B. Declination
C. Incident angle
D. Hour angle
Answer» B. Declination
Discussion
7.

WHAT_IS_THE_ANGLE_OF_DECLINATION_ON_60TH_DAY_OF_THE_LEAP_YEAR??$

A. -8.29
B. 8.29
C. 4.82
D. 12.44
Answer» B. 8.29
Discussion
8.

WHAT_IS_THE_ANGLE_OF_DECLINATION_ON_MAY_12_CONSIDERING_IT‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬•S_A_LEAP_YEAR??$#

A. 20.34 <sup>o</sup>
B. 22.85 <sup>o</sup>
C. 29.42 <sup>o</sup>
D. 12.4 <sup>o</sup>
Answer» B. 22.85 <sup>o</sup>
Discussion
9.

Instrument used to measure direct beam of solar irradiance is called ____________$

A. Pyranometer
B. Net radiometer
C. Gardon gauge
D. Pyrheliometer
Answer» E.
Discussion
10.

Which type of device is used to measure solar irradiance on a planar surface?$

A. Pyranometer
B. Net radiometer
C. Gardon gauge
D. Pyrheliometer
Answer» B. Net radiometer
Discussion
11.

What is angle of declination on 305th day of year and what day is it?

A. -23.26<sup>o</sup>, November 2
B. -15.06<sup>o</sup>, November 1
C. -18.96<sup>o</sup>, November 2
D. -10.52<sup>o</sup>, November 1
Answer» C. -18.96<sup>o</sup>, November 2
Discussion
12.

How much would be the angle of declination on DECEMBER 21 at 0900 h (LAT). The collector s located in New Delhi (28o35’N, 77o12’E) and is tilted at an angle of 36o with the horizontal and is pointing south?$

A. -44.28 <sup>o</sup>
B. -28.92 <sup>o</sup>
C. -23.45 <sup>o</sup>
D. -42.22 <sup>o</sup>
Answer» D. -42.22 <sup>o</sup>
Discussion
13.

LST stands for __________

A. Local standard time
B. Local solar temperature
C. Low surface temperature
D. Land surface temperature
Answer» C. Low surface temperature
Discussion
14.

The time from sunrise to sunset is termed as _______________

A. Slope
B. Day length
C. Local solar time
D. Solar intensity
Answer» C. Local solar time
Discussion
15.

The vector sum of the components along the line normal of the titled surface in a direction normal to the tilted surface is called as__________

A. Solar intensity
B. Declination
C. Incident angle
D. Hour angle
Answer» B. Declination
Discussion
16.

The angle being measured from a plane and which is equal to angle between the beam of rays and normal to the plane is called __________

A. Incident angle
B. Azimuth angle
C. Hour angle
D. Declination
Answer» B. Azimuth angle
Discussion
17.

The angle of deviation of the normal to the surface from the local meridian is called as _________

A. Surface azimuth angle
B. Solar azimuth angle
C. Solar altitude
D. Hour angle
Answer» B. Solar azimuth angle
Discussion
18.

Angle made by plane surface with horizontal is called ________

A. Slope
B. Altitude angle
C. Zenith angle
D. Hour Angle
Answer» B. Altitude angle
Discussion