Heat Transfer Multiple Choice Questions and Answers PDF

Heat Transfer Multiple Choice Questions and Answers PDF   1. Which of the following property of air does not increase with rising in temperature (a) thermal conductivity (b) thermal diffusivity (c) density (d) dynamic viscosity (e) kinematic viscosity. Ans: c 2. The unit of Stefan Boltzmann constant is (a) watt/cm2 °K (b) watt/cm4 °K (c) […]

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Boiler Questions and Answers with PDF for Operator

Boiler Questions and Answers with PDF for Operator   1. A wet vapor can be completely specified by (a) pressure only (b) temperature only (c) dryness fraction only (d) specific volume only (e) pressure and dryness fraction. Ans: e 2. On Mollier chart, the constant pressure lines (a) diverge from left to right (b) diverge […]

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250 Steam Boiler and Engines Questions and Answer (MCQ) PDF

Steam Boiler and Engines Questions and Answer (MCQ) PDF   1. The state of vapor under saturation condition is described by (a) pressure alone (b) temperature alone (c) pressure and temperature (d) pressure and dryness fraction (e) dryness fraction alone. Ans: d 2. Pick up the wrong statement about critical condition of steam (a) latent […]

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Differences Between Run on Torque and Breakaway Torque

Differences Between Run on Torque and Breakaway Torque     Breakaway torque is defined as the torque required to start a part’s rotation from a stationary position. It is usually a higher value compared to the maximum tightening torque value as per specification . This is because this torque is required to not only overcome […]

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Thermal Power Plant Objective Questions and Answers(PDF)

Thermal Power Plant Objective Questions and Answers(PDF) for Electrical and Mechanical Engineers     1.The critical pressure ratio of a convergent nozzle is defined as (a) the ratio of outlet pressure to inlet pressure of nozzle (b) the ratio of inlet pressure to outlet pressure of nozzle (c) the ratio of outlet pressure to inlet […]

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Manufacturing Process Objective Type Questions with Answers(PDF)

Manufacturing Process Objective Type Questions with Answers(PDF) for Mechanical and Power Engineer     1. The teeth of hacksaw blade are bent (A) Towards right (B) Towards left (C) Alternately towards right and left and every third or fourth left straight (Answer) (D) May be bent in any direction 2. Loam sand is a mixture […]

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Manufacturing Processes Objective Questions and Answers(PDF)

Manufacturing Processes MCQ Objective Questions and Answers for Production and Industrial Engineer (Mechanical and Power Engineer)     1.In oxy-acetylene welding the flame temperature is a. 1600-1700°C b. 2000-2100°C c. 2500-2600°C d. 3200-3300°C (Ans:d) 2.In oxy-acetylene welding colour of oxygen cylinder is a. Red b. Maroon c. Black d. Brown (Ans:c) 3.Acetylene can be prepared […]

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Manufacturing Processes Mechanical Engineering(MCQ)Question & Answer

Manufacturing Processes MCQ(Multiple Choice Question) With Answer for Mechanical Engineering and Welding with PDF     1.The following welding process is used to weld fastener to plates without drilling or punching holes? a. Electroslag welding b. Oxy-acetylene welding c. Butt welding d. Stud welding (Ans:d) 2.For underwater welding which of the following process is not […]

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Theory of machines - Mechanical Engineering Questions and Answers

Mechanical -Theory of Machines Multiple Choice Question(MCQ) with Answers

Mechanical Engineering-(Theory of Machines) Multiple Choice Question(MCQ)  with Answer  Model Question -1   1-In order to have a complete balance of the several revolving masses in different planes (A) The resultant couple must be zero (B) The resultant force must be zero (C) Both the resultant force and resultant couple must be zero (D) None […]

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WBPDCL,BPDB Recruitment Old Question Papers

WBPDCL,BCIC Recruitment Old Question Papers with Answer(PDF)

Bangladesh Power Development Board (BPDB),West Bengal Power Development Corporation Limited(WBPDCL),BCIC Recruitment  Old Exam Question Papers Solution For Mechanical  (Sub Assistant Engineers)   ১। NC মেশিনের সংজ্ঞা দাও। উওরঃ স্টরেড প্রোগ্রাম গঠন এবং ব্যাখ্যাকরন কন্ট্রোলার ইন্সট্রাকশন  অনুযায়ি আকচুয়েশন ডিভাইসের  মাধ্যমে পরিচালিত হলে তাকে NC মেশিনে বলে। ২।  NC মেশিনে টুল কোন কোন   নিয়ন্ত্রিত হয়? উওরঃ NC মেশিন […]

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PGCB,BPDB,PDP Job Exam Question With Answer

PGCB,BPDB,PDP Job Exam Question With Answer(PDF)

PGCB,BPDB,PDP Job Exam Question With Answer  only For Sub Assistant Engineer (Diploma Holder’s)   ১। অপ্রত্যাবতরক প্রক্কিরিয়া (Irreversible process) এ- ক) তাপ ক্ষয় হায়। খ)তাপ অর্জিত হয়। গ)তাপিয় অবস্তার পরিবর্তন হয় না। (ঘ)চাপ বৃদ্ধি পায় Answer : তাপ ক্ষয় হায় ২। জালানী(fuel) এর প্রদান উপাদান- (ক)সালফার অ অক্সিজেন (খ)হাইড্রোজেন ও অক্সিজেন (গ)কার্বন ও হাইড্রোজেন (ঘ)অক্সিজেন […]

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উপ-সহকারি প্রকৌশলী,সহকারী প্রকৌশলীদের সহায়ক

RPCL Mechanical Assistant Manager Question with Answer(PDF)

Rural Power Company Limited (RPCL) Mechanical Assistant Manager (Technical) Job Exam-2013 Question With Answer(PDF) Written Questions:  1. What is Octane and cetane number? 2. What is Boiler? Differentiate fire tube and water tube boiler. 3. What is Newtonian and Non-Newtonian fluid? 4. Write down the viscosity in MLT and derive the unit in MKS, CGS, […]

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