GEC REE MCQ - Renewable energy engineering MCQ PDF

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Renewable energy engineering MCQ...

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Government Engineering College, Godhra. Department of Mechanical Engineering Subject :-

Renewable E nergy Engineering

Subject Code :-

2181910

Year :Semester :-

IV VIII

ASSIGNMENT_MCQ TYPE QUESTIONS All the registered students in above subject are hereby informed to practice,prepare and submit the solution of below mentioned MCQ Questions (in the form of report) at the time of final submission in the above subject. 1 The angle made by the plane surface with the horizontal is known as A Latitude B Slope C Surface azimuth angle D Declination 2 Beam radiations are measured with A Anemometer B Pyrheliometer C Sunshine recorder D All of the above 3 Solar radiation flux is usually measured with the help of a A Anemometer B Pyranometer C Sunshine recorder D All of the above 4 The zenith angle is the angle made by the sun’s rays with the ____ to a ______ surface. A normal, horizontal B tangent, horizontal C normal, vertical D tangent, vertical 5 Global radiation = A Direct radiation – Diffuse Radiation B Direct radiation + Diffuse Radiation C Direct radiation / Diffuse Radiation D Diffuse Radiation / Direct radiation 6 Absorption of Solar radiations at earth’s surface occur due to presence of A Ozone B Water vapours C Carbon di-oxide D All of the above Page 1 of 7

Government Engineering College, Godhra. Department of Mechanical Engineering

Subject :-

Renewable E nergy Engineering

Subject Code :-

2181910

Year :Semester :-

IV VIII

7 The following is (are) laws of black body radiation. A Plank’s law B Stefan-Boltzmann law C both (A) and (B) D None of the above 8 The extraterrestrial radiation flux varies by ____ % over a year. A ± 1.1 B ± 2.2 C ± 3.3 D ± 4.4 9 The value of Solar Constant is A 1347 W/m2 B 1357 W/m2 C 1367 W/m2 D 1377 W/m2 10 The sun subtends an angle of _____ minutes at the earth’s surface. A 22 B 32 C 42 D 52 11 In the paraboloid dish concept, the concentrator tracks the sun by rotating about A One axes B Two axes C Three axes D None of the above 12 Which of the following type of collector is used for low temperature systems? A Flat plate collector B Line focussing parabolic collector C Paraboloid dish collector D All of the above 13 The following type of energy is stored as latent heat A Thermal energy B Chemical energy C Electrical energy D Mechanical energy 14 Maximum efficiency is obtained in Page 2 of 7

Government Engineering College, Godhra. Department of Mechanical Engineering

Subject :-

Renewable E nergy Engineering

Subject Code :-

2181910

Year :Semester :-

IV VIII

A Flat plate collector B Evacuated tube collector C Line focussing collector D Paraboloid dish collector 15 The efficiency of various types of collectors ______ with _______ temperature. A increases, decreasing B decreases, increasing C remains same, increasing D depends upon type of collector 16 The collection efficiency of Flat plate collector can be improved by A putting a selective coating on the plate B evacuating the space above the absorber plate C both (A) and (B) D None of the above 17 A liquid flat plate collector is usually held tilted in a fixed position, facing _____ if located in the northern hemisphere. A North B South C East D West 18 The following is indirect method of Solar energy utilization A Wind energy B Biomass energy C Wave energy D All of the above 19 The power from the sun intercepted by the earth is approximately A 1.8 x 108 MW B 1.8 x 1011 MW C 1.8 x 1014 MW D 1.8 x 1017 MW 20 Direct Solar energy is used for A Water heating B Distillation C Drying D All of the above 21 The ratio of the beam radiation flux falling on a tilted surface to that falling on a horizontal surface is called the Page 3 of 7

Government Engineering College, Godhra. Department of Mechanical Engineering

Subject :-

Renewable E nergy Engineering

Subject Code :-

2181910

Year :Semester :-

IV VIII

A Radiation shape factor B Tilt factor C Slope D None of the above 22 The global radiation reaching a horizontal surface on the earth is given by A Hourly beam radiation + Hourly diffuse radiation B Hourly beam radiation – Hourly diffuse radiation C Hourly beam radiation / Hourly diffuse radiation D Hourly diffuse radiation / Hourly beam radiation

23 The correction has a magnitude of ___ minutes for every degree difference in longitude. A2 B4 C6 D8 24 The complement of zenith angle is A Solar altitude angle B Surface azimuth angle C Solar azimuth angle D Slope 25 The hour angle is equivalent to A 10° per hour B 15° per hour C 20° per hour D 25° per hour 26 Surface azimuth angle varies from A 0 to 90° B -90 to 90° C 0 to 180° D -180° to 180° 27 The angle made in the horizontal plane between the horizontal line due south and the projection of the normal to the surface on the horizontal plane is A Hour angle B Declination C Surface azimuth angle D Solar altitude angle

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Government Engineering College, Godhra. Department of Mechanical Engineering

Subject :-

Renewable E nergy Engineering

Subject Code :-

2181910

Year :Semester :-

IV VIII

28 Which type of fuel is removed from the reactor core after reaching end of core life service? A Burnt Fuel B Spent fuel C Engine oil D Radioactive fuel 29 What is unit of nuclear radiation? A Reaumur B Roentgen C Rankine D Pascal 30 HHW stands for ____________ A High and Low water B High Level Waste C Heated Low Level water D High and Low Waste 31 Insolation is less ____________ A when the sun is low B when the sun right above head C at night D at sun rise 32 Solar radiation received at any point of earth is called ______________ A Insolation B Beam Radiation C Diffuse Radiation D Infrared rays 33 The scattered solar radiation is called ____________ A Direct Radiation B Beam Radiation C Diffuse radiation D Infrared Radiation 34 Solar radiation which reaches the surface without scattering or absorbed is called _____________ A Beam Radiation B Infrared radiation C Ultraviolet radiation D Diffuse radiation Page 5 of 7

Government Engineering College, Godhra. Department of Mechanical Engineering

Subject :-

Renewable E nergy Engineering

Subject Code :-

2181910

Year :Semester :-

IV VIII

35 What does MHD stands for in the energy field? A Magneto Hydro Dynamic B Metal Hydrogen Detox C Micro Hybrid Drive D Metering Head Differential 36 In what form is solar energy is radiated from the sun? A Ultraviolet Radiation B Infrared radiation C Electromagnetic waves D Transverse waves 37 Complete the following reaction. H2O + CO2 → _______ A CH2O + O2 B CO2 + O2 C H + CO2 + O2 D CH2O + H2O + O2 38 Oil is estimated to last for ________ more. A 100 years B 500 years C A decade D 800 years 39 Which is most common source of energy from which electricity is produced? A Hydroelectricity B Wind energy C Coal D Solar energy 40 What is total amount of solar energy received by earth and atmosphere? A 3.8 X 1024 J/year B 9.2 X 1024 J/year C 5.4 X 1024 J/year D 2.1 X 1024 J/year 41 What is the rate of solar energy reaching the earth surface? A 1016W B 865W C 2854W D 1912W 42 Which of the following energy has the greatest potential among all the sources of renewable energy? Page 6 of 7

Government Engineering College, Godhra. Department of Mechanical Engineering

Subject :-

Renewable E nergy Engineering

Subject Code :-

2181910

Year :Semester :-

IV VIII

A Solar energy B Wind Energy C Thermal energy D Hydro-electrical energy

43 The following type of energy is stored as latent heat A Thermal energy B Chemical energy C Electrical energy D Mechanical energy

(Prof. A.K.PATEL) Course Coordinator, I/C Principal, GECG.

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