Month: June 2020

Central Road Research Institute Previous year recruitment Papers CSIR-CRRI Scientist, Technical/ Scientific Assistant, Lab Technician Exam Pattern with Syllabus Central Road Research Institute(CRRI) is conducting the recruitment exam in near future for the post of Scientist, Technical/ Scientific Assistant, Lab Technician . Job hunters who have completed the application procedure for Scientist, Technical/ Scientific Assistant,…

Central Institute of Mining and Fuel Research Previous year recruitment Papers CSIR-CIMFR Scientist, Technical/ Scientific Assistant, Lab Technician Exam Pattern with Syllabus Central Institute of Mining and Fuel Research(CIMFR) is conducting the recruitment exam in near future for the post of Scientist, Technical/ Scientific Assistant, Lab Technician . Job hunters who have completed the application…

Rajasthan Polytechnic Third Year Paper 2016 – Referigeration Application What is the main reason of food spoilage? (a) Due to change in temperature of environment (b) Do not preserve the food properly. (c) Growth of micro-organism due to moisture in environment (d) All of the above What is the significance of spoil food? (a) Weight…

Rajasthan Polytechnic Third Year Paper 2016 – Fundamentals of Control System Transfer function of a system is used to calculate which of the following? (a) The order of the system (b) The time constant (c) The output for any given input (d) The steady state gain The transfer function is applicable to which of the…

Rajasthan Polytechnic Third Year Paper 2016 – Finishing and Decoration of Plastics Plastic objects may be (a) Transparent (b) Transluscent (c) Opaque (d) All these Driving force of the levelling process is (a) Surface tension (b) Viscosity (c) Thickness (d) None of these Surface wetting means (a) Levelling of surface (b) Displacement of solid from…

Rajasthan Polytechnic Third Year Paper 2016 – Power & Industrial Electronics The break down voltage of a thyristor is 200 V. Peak value of input sinusoidal is 400 V. When 1.5 mA gate pulse is provided, then thyristor is fired. The value of conduction angle will be (a) 45 degree (b) 120 degree (c) 150…

Rajasthan Polytechnic Third Year Paper 2016 – Modern R.A.C Practices The following is used for refrigerant charging in a refrigeration system (a) Oil separator (b) Ball valve (c) Two way service valve (d) Balancing valve The strainer is used in refrigeration system (a) to absorb moisture (b) to prevent dust particles (c) to prevent liquid…

Rajasthan Polytechnic Third Year Paper 2016 – Optical Instruments & Devices The fastest media of data transfer is (a) co-axial cable (b) untwisted wire (c) telephone lines (d) fiber optic Snall’s law relates light (a) Reflection (b) Refraction (c) Transmission (d) Absorption Visible light’s wavelength range is (a) 0.39 – 0.77 mm (b) 0.39 –…

Rajasthan Polytechnic Third Year Paper 2016 – Advance Microprocessor & Microcontroller In case of Winchester disk, the head (a) Contacts the recording surface occasionally (b) Never contacts the disk surface (c) Always contacts the recording surface (d) Contacts only the landing area while not recording Which one of the following does not generate a hardware…

Rajasthan Polytechnic Third Year Paper 2016 – Operations of Mass Transfer Rotary dryer can handle (a) free flowing material (b) dry material (c) sticky material (d) granular Heat sensitive materials like certain pharmaceuticals and food stuffs can be dried (a) in indirect tray dryer (b) in spray dryer (c) by freeze drying (d) None of…