Q1. A circular pipe of I.D. 4 m is bifurcated into two pipes of I.D. 2 m each. If the average velocity of water flowing through the main pipe is 5 m/s, then the average velocity through the bifurcated pipe is
- (1) 20 m/s
- (2) 10 m/s
- (4) 5 m/s
ACF & Forest Range Officer 2018 Chemical Engg Paper III Question Paper PDF
- Year 2018
- Conducted By RPSC
- Questions 120
- Maximum Marks 200
- Duration 3.00 Hours
- Languages Hindi & English
Exam Details
| Detail | Information |
|---|---|
| Examination | ACF AND FOREST RANGE OFFICER GR-I COMP. EXAM |
| Year | 2018 |
| Conducting Body | RPSC |
| Paper | Chemical Engineering Paper - III |
| Subject | Chemical Engineering |
| Duration | 3.00 Hours |
| Maximum Marks | 200 |
| Number of Questions | 120 |
| Question Type | Objective (MCQ) |
This is the question paper for the ACF and Forest Range Officer Gr-I Competitive Examination 2018, specifically Paper III focusing on Chemical Engineering. Conducted by RPSC, this objective-type exam has a duration of 3.00 hours and a maximum of 200 marks, with 120 questions. Aspirants preparing for this exam can use this paper to understand the question format, difficulty level, and key topics covered in Chemical Engineering, aiding their study and revision process. This previous year ACF AND FOREST RANGE OFFICER GR-I COMP. EXAM 2018 question paper (2018) is useful for Engineer aspirants preparing for Rajasthan government recruitment. The paper was conducted by RPSC and reflects the official exam pattern, marking scheme and difficulty level seen in recent cycles. Use it for timed practice, topic-wise revision and understanding how questions are framed in the real examination. Download the free PDF on QuizCurrent to read instructions, attempt MCQs and compare your answers with the study notes provided on this page. Key syllabus areas include Chemical Engineering, Fluid Mechanics, Heat Transfer, Thermodynamics, Filtration, Venturi Meter, Rheology, Refrigeration. Useful for ACF AND FOREST RANGE OFFICER GR-I COMP. preparation. Helps understand the latest exam pattern. Useful for practice and self-assessment.
Major Topics Covered
- Chemical Engineering
- Fluid Mechanics
- Heat Transfer
- Thermodynamics
- Filtration
- Venturi Meter
- Rheology
- Refrigeration
- Heat Pump
Why This Paper is Important
- Useful for ACF AND FOREST RANGE OFFICER GR-I COMP. 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
- ACF & Forest Range Officer Gr-I Comp. Exam 2018 - General Studies Paper
- ACF & Forest Range Officer Gr-I Comp. Exam 2018 - Chemical Engineering Paper I
- ACF & Forest Range Officer Gr-I Comp. Exam 2018 - Chemical Engineering Paper II
- RPSC Assistant Engineer Chemical Engineering Previous Papers
- ACF & Forest Range Officer Gr-I Comp. Exam 2018 Chemical Engineering Paper III Answer Key
- ACF & Forest Range Officer Gr-I Comp. Exam Syllabus
- RPSC Chemical Engineering Syllabus
- ACF & Forest Range Officer Gr-I Comp. Exam Pattern
Instructions
- प्रत्येक प्रश्न का केवल एक ही उत्तर दीजिए ।
- 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 Answer Sheet and fill in the particulars carefully with blue ध्यान से केवल नीले बॉल पॉइंट पेन से विवरण भरें । ball point pen only.
- प्रत्येक गलत उत्तर के लिए प्रश्न अंक का 1/3 भाग काटा जायेगा । गलत
- 1/3 part of the mark(s) of each question will be उत्तर से तात्पर्य अशुद्ध उत्तर अथवा किसी भी प्रश्न के एक से अधिक deducted for each wrong answer. A wrong answer means उत्तर से है ।
- किसी भी प्रश्न से संबंधित गोले या बबल को खाली छोड़ना 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 with any of such objectionable material with him/her will be जायेगी । strictly dealt as per rules.
- कृपया अपना रोल नम्बर ओ.एम.आर. पत्रक पर सावधानीपूर्वक सही
- Please correctly fill your Roll Number in O.M.R. Sheet. भरें।
- गलत अथवा अपूर्ण रोल नम्बर भरने पर 5 अंक कुल प्राप्तांकों में 5 Marks can be deducted for filling wrong or incomplete Roll से काटे जा सकते हैं । Number. 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. 17 - 1
- All questions carry equal marks. Only one answer is to be given for each question.
- If more than one answers are marked, it would be treated as.
Questions (page 2)
Q2. In constant pressure filtration, the rate of filtration follows the relation (v : filtrate volume; t : time; k and C : constants)
- (1) (dv)/(dt) = -kv + C
- (2) (dv)/(dt) = kv2
- (3) (dv)/(dt) = kv
- (4) (dv)/(dt) = (1)/(kv + C)
Q3. A venturi meter (discharge coefficient = 0.98) is installed to measure the flow rate of water (density = 1000\,kg/m3) in a 200 mm diameter (ID) pipe. The throat diameter is 100 mm. The differential pressure measured by using a manometer is 150\,kN/m2. The volumetric flow rate of water (in m3/s) is
- (1) 0.14
- (2) 0.20
- (3) 0.41
- (4) 0.24
Q4. For fanning friction factor f (for flow in pipes) and drag co-efficient C_D (for flow over immersed bodies) which of the following statements are true?
- (p) f accounts only for the skin friction
- (q) C_D accounts only for the skin friction
- (r) C_D accounts for both skin friction and form friction
- (s) Both f and C_D depend on the Reynolds number
- (t) For laminar flow through a pipe, f doubles on doubling the volumetric flow rate
- (1) R, S, T
- (2) P, Q, S
- (3) P, R, S
- (4) P, Q, S, T
Q5. Which of the following statements are correct?
- (p) For a rheopectic fluid, the apparent viscosity increases with time under a constant applied shear stress.
- (q) For a pseudoplastic fluid, the apparent viscosity decreases with time under a constant applied shear stress.
- (r) For a Bingham plastic, the apparent viscosity increases exponentially with the deformation rate.
- (s) For a dilatant fluid, the apparent viscosity increases with increasing deformation rate.
- (1) P and Q only
- (2) Q and R only
- (3) R and S only
- (4) P and S only
Q6. The thermal efficiency of a reversible heat engine operating between two given thermal reservoirs is 0.4. The device is used either as a refrigerator or as a heat pump between the same reservoirs. The co-efficients of performance as a refrigerator (COP)_R and the Co-efficient of Performance as a heat pump (COP)_{HP} are
Q7. The heat flux (from outside to inside) across an insulating wall with thermal conductivity k = 0.04\,W/m\,K and thickness 0.16\,m is 10\,W/m2. The temperature of the inside wall is -5\,°C. The outside wall temperature is
- (1) 25 °C
- (2) 30 °C
- (3) 35 °C
- (4) 40 °C
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Frequently asked questions
What is the full name of the exam?
The full name of the exam is ACF AND FOREST RANGE OFFICER GR-I COMP. EXAM.
Which year is this question paper from?
This question paper is from the year 2018.
Who conducts the ACF and Forest Range Officer exam?
The exam is conducted by RPSC (Rajasthan Public Service Commission).
What is the subject of this paper?
This paper is for Chemical Engineering, specifically Paper - III.
What is the maximum marks for this paper?
The maximum marks for this paper are 200.
How many questions are there in this paper?
There are 120 questions in this paper.