This set of Applied Chemistry Multiple Choice Questions & Answers (MCQs) focuses on “Viscosity and Viscosity Index – 1”. 1. Viscosity means the flow of the liquid is resisted by ________ a) Itself b) Other liquid c) Water d) Alcohol 2. The viscosity of an oil decrease when temperature ________ a) Decreases b) Is constant … Read more
This set of Applied Chemistry Multiple Choice Questions & Answers (MCQs) focuses on “Mechanism of Lubrication”. 1. How many mechanisms are there for lubrication? a) 1 b) 2 c) 3 d) 4 2. The thickness of the lubricant film in the hydro dynamic lubrication is about __________ a) 1000oA b) 5000oA c) 500oA d) 100oA … Read more
This set of Applied Chemistry Multiple Choice Questions & Answers (MCQs) focuses on “Types of Additives”. 1. The most common reason for the degradation of petroleum oil is their _________ a) Volatility b) Oxidation c) Reduction d) Temperature coefficient 2. The oxidation inhibitors terminate the hydro peroxide chain by combining with ___________ a) Hydrogen peroxide … Read more
This set of Basic Applied Chemistry Questions and Answers focuses on “Classification of Lubricants – 4”. 1. A good liquid lubricant must possess the property of ___________ a) Low viscosity b) High boiling point c) High freezing point d) Low oiliness 2. Which of the following is not the liquid lubricant? a) Olive oil b) … Read more
This set of Applied Chemistry Interview Questions and Answers for freshers focuses on “Classification of Lubricants – 3”. 1. Lubricating oil thickened with metallic soaps or by adding solid forms __________ a) grease b) vaselines c) oils d) petrol 2. Stabilized erosion of the fine solid particles in liquid is called ___________ a) colloidal suspension … Read more
This set of Applied Chemistry Questions and Answers for Freshers focuses on “Classification of Lubricants – 2”. 1. The molecular structure of the organic lubricants consists of ____________ a) pyramidal b) tetrahedral c) trigonal planar d) long chain 2. Soaps are metal salts of _________ a) fatty acids b) carboxylic acids c) amino acids d) … Read more
This set of Applied Chemistry Multiple Choice Questions & Answers (MCQs) focuses on “Classification of Lubricants – 1”. 1. How many types of lubricants are there on the basis of the shear strength? a) 5 b) 3 c) 4 d) 2 2. In solid lubricants, the _________ will be low. a) coefficient of friction b) … Read more
This set of Applied Chemistry Multiple Choice Questions & Answers (MCQs) focuses on “Selection of Lubricants”. 1. A high temperature lubricants used may undergo ________ a) vulcanization b) volatilization c) lubrication d) combustion 2. For heavy cutting, the effective lubricants are _________ a) coconut oils b) cutting oils c) kerosene d) diesel 3. The reduction … Read more
This set of Applied Chemistry Multiple Choice Questions & Answers (MCQs) focuses on “Fuel Technologies Problems”. 1. Calculate the GCV and NCV of a fuel from the following data. Volume of the fuel burnt at STP is 0.08m2.Weight of the water used for cooling is 24kg.Temperature of inlet and outlet water is 25oC. and 30oC … Read more
This set of Applied Chemistry Multiple Choice Questions & Answers (MCQs) focuses on “Power alcohols as Fuels”. 1. Power alcohols contains ________ a) 50-60% of petrol b) 70-80% of petrol c) 50-60% of ethanol d) 70-80% of ethanol 2. Alcohol can absorb __________ a) traces of water b) traces of impurities c) traces of dust … Read more
