Q1. If the gray body emission of 90% of black body emission at 1200 K, then find the temperature required for the gray body.
- (1) 1788 K
- (2) 1655 K
- (3) 1830 K
- (4) 1754 K
RPSC Lecturer Mechanical Engineering Paper II 2020 Question Paper PDF
- Year 2020
- Conducted By RPSC
- Questions 150
- Maximum Marks 75
- Duration 3.00 Hours
- Languages Hindi & English
Exam Details
| Detail | Information |
|---|---|
| Examination | Lecturer (Tech. Edu.) Exam 2020 |
| Year | 2020 |
| Conducting Body | RPSC |
| Paper | Mechanical Engineering Paper - II |
| Subject | Mechanical Engineering |
| Duration | 3.00 Hours |
| Maximum Marks | 75 |
| Number of Questions | 150 |
| Question Type | Objective (MCQ) |
This document contains the question paper for the Lecturer (Technical Education) Examination 2020, specifically Paper II for Mechanical Engineering, conducted by RPSC. The exam allows 3.00 hours to answer 150 objective questions, with a maximum of 75 marks. This paper is crucial for aspirants targeting Mechanical Engineering positions in Rajasthan's technical education sector. Understanding the question format, marking scheme (including negative marking for incorrect answers), and the types of questions asked is vital for effective preparation. This paper serves as a valuable resource for candidates to assess their knowledge and identify areas for improvement.
Major Topics Covered
- Heat Transfer
- Thermodynamics
- Fluid Mechanics
- Heat Exchangers
- Convection
- Radiation
- Engines
Why This Paper is Important
- Useful for Lecturer (Tech. Edu.) Exam preparation
- Helps understand the latest exam pattern
- Useful for practice and self-assessment
- Covers frequently asked General Studies topics
- Helpful for analysing question trends
Related Resources
- RPSC Lecturer Mechanical Engineering Paper I 2020
- RPSC Assistant Engineer Mechanical Engineering Previous Papers
- GATE Mechanical Engineering 2020 Question Papers
- SSC JE Mechanical Engineering Previous Papers
- RPSC Lecturer Mechanical Engineering Paper II 2020 Answer Key
- RPSC Lecturer Mechanical Engineering Syllabus
- Mechanical Engineering Syllabus for Competitive Exams
- RPSC Lecturer Exam Pattern
Instructions
- सभी प्रश्नों के अंक समान हैं । TOGUILLO TOPHIOT
- All questions carry equal marks. प्रत्येक प्रश्न का केवल एक ही उत्तर दीजिए ।
- Only one answer is to be given for each question. एक से अधिक उत्तर देने की दशा में प्रश्न के उत्तर को गलत माना जाएगा ।
- wrong answer. प्रत्येक प्रश्न के चार वैकल्पिक उत्तर दिये गये हैं, जिन्हें क्रमश: 1, 2, 3, Each question has four alternative responses marked serially
- 4 अंकित किया गया है । अभ्यर्थी को सही उत्तर निर्दिष्ट करते हुए उनमें as 1, 2, 3,
- You have to darken only one circle or bubble से केवल एक गोले अथवा बबल को उत्तर-पत्रक पर नीले बॉल indicating the correct answer on the Answer Sheet using BLUE प्वाइंट पेन से गहरा करना है । BALL POINT PEN. OMR उत्तर-पत्रक इस परीक्षा पुस्तिका के अन्दर रखा है ।
- जब आपको The OMR Answer Sheet is inside this Test Booklet. When
- परीक्षा पुस्तिका खोलने को कहा जाए, तो उत्तर-पत्रक निकाल कर you are directed to open the Test Booklet, take out the ध्यान से केवल नीले बॉल पॉइंट पेन से विवरण भरें । Answer Sheet and fill in the particulars carefully with blue
- प्रत्येक गलत उत्तर के लिए प्रश्न अंक का 1/3 भाग काटा जायेगा ।
- गलत ball point pen only. उत्तर से तात्पर्य अशुद्ध उत्तर अथवा किसी भी प्रश्न के एक से अधिक 1/3 part of the mark(s) of each question will be
- उत्तर से है । किसी भी प्रश्न से संबंधित गोले या बबल को खाली छोड़ना deducted for each wrong answer. A wrong answer means an incorrect answer or more than one answers for any गलत उत्तर नहीं माना जायेगा । question. Leaving all the relevant circles or bubbles of any
- मोबाइल फोन अथवा इलेक्ट्रोनिक यंत्र का परीक्षा हॉल में प्रयोग पूर्णतया question blank will not be considered as wrong answer. वर्जित है ।
- यदि किसी अभ्यर्थी के पास ऐसी कोई वर्जित सामग्री
- Mobile Phone or any other electronic gadget in the मिलती है तो उसके विरुद्ध आयोग द्वारा नियमानुसार कार्यवाही की examination hall is strictly prohibited. A candidate found जायेगी । with any of such objectionable material with him/her will be
- कृपया अपना रोल नम्बर ओ,एम.आर. पत्रक पर सावधानीपूर्वक सही strictly dealt as per rules. भरें ।
- गलत अथवा अपूर्ण रोल नम्बर भरने पर 5 अंक कुल प्राप्तांकों में Please correctly fill your Roll Number in O.M.R. Sheet.
- 5 Marks can be deducted for filling wrong or incomplete Roll से काटे जा सकते हैं । Number. SOSITUIS! चेतावनी: अगर कोई अभ्यर्थी नकल करते पकड़ा जाता है या उसके पास Warning: If a candidate is found copying or if any unauthorized से कोई अनधिकृत सामग्री पाई जाती है, तो उस अभ्यर्थी के विरुद्ध पुलिस में material is found in his/her possession, F.I.R. would be lodged प्राथमिकी दर्ज कराते हुए विविध नियमों-प्रावधानों के तहत कार्यवाही की against him/her in the Police Station and he/she would liable to be जाएगी ।
- साथ ही विभाग ऐसे अभ्यर्थी को भविष्य में होने वाली विभाग की prosecuted. Department may also debar him/her permanently समस्त परीक्षाओं से विवर्जित कर सकता है । from all future examinations. इस परीक्षा पुस्तिका को तब तक न खोलें जब तक कहा न जाए । Do not open this Test Booklet until you are asked to do so. 02 - \square
- If more than one answers are marked, it would be treated as
Questions (page 2)
Q2. The Nusselt number, in case natural convection, is a function of:
- (1) Grashoff's and Prandtl numbers
- (2) Reynold's number
- (3) Reynold's and Prandtl numbers
- (4) Weber and Mach number
Q3. The dimensions of a wall are 5 m long, 10 m wide & 0.25 m thick, made of material having thermal conductivity at 1 W/mK. The temperature of inner and outside wall are 25 °C and 15 °C respectively for 10 hrs. If cost of electricity is ₹ 10 per kWh, the cost of heat loss will be in rupees
- (1) 20
- (2) 200
- (3) 10
- (4) 100
Q4. The shape factor of a hemispherical body placed on a flat surface with respect to itself is :
- (1) 0
- (2) 0.25
- (3) 0.5
- (4) 1.0
Q5. In a counter flow heat exchanger, the product of specific heat and mass flow rate is same for hot and cold fluids. If NTU is equal to 0.5, then effectiveness of the heat exchanger is :
- (1) 1.0
- (2) 0.5
- (3) 0.33
- (4) 0.25
Q6. The measure of heat conducted through a body relative to the rate of heat storage is called as
- (1) Thermal diffusivity
- (2) Biot number
- (3) Fourier number
- (4) Nusselt number
Q7. A 2-stroke engine has speed of 750 rpm. A 4-stroke engine having an identical cylinder size runs at 1500 rpm. The theoretical output of the 2-stroke engine will
- (1) be twice that of the 4-stroke engine
- (2) be half that of the 4-stroke engine
- (3) be the same as that of the 4-stroke engine
- (4) depend upon whether it is a C.I. or S.I. engine
Q8. A case of natural convection is given by :
- (1) Cooling of billets in atmosphere
- (2) Cooling in IC engines
- (3) Flow of water inside condensers
- (4) Cooling of a hot plate in a steam of cold water
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Frequently asked questions
What is the full name of the exam?
The full name of the exam is Lecturer (Technical Education) Examination 2020.
Which board conducts the Lecturer (Tech. Edu.) Exam?
The Lecturer (Tech. Edu.) Exam is conducted by RPSC (Rajasthan Public Service Commission).
What is the subject of this question paper?
This question paper is for Mechanical Engineering, Paper - II.
What is the duration of the exam?
The time allowed for the exam is 3.00 Hours.
What is the maximum marks for this paper?
The maximum marks for this paper are 75.
How many questions are there in this paper?
There are 150 questions in this booklet.