Metal Cutting MCQ QuestionsI Metal Cutting MCQ Test-Mechanicaltalks February 7, 2022February 7, 2022 by Randeep Paramanik 0 Created on February 07, 2022 By randeep paramanik Metal cutting set 1 Welcome to the Mega Quiz competition for every mechanical engineering examination. This quiz program is completely different from other quizzes you have given so far. Here each and every mechanical engineering subject questions are given topic by topic. 1 / 25 High speed steels are most suitable for Zero Rake angle tools High Positive rake angle tools High Negative rake angle tools None of the mentioned 2 / 25 Angle between side cutting edge and axis of tool is known as: Back rake angle Side cutting edge angle Side relief angle Side rake angle 3 / 25 What is the optimum value of side cutting edge in degrees for maximum tool life? 20 22 25 30 4 / 25 Mechanical chipping may occur in which of the following tool? None of the mentioned Mild Steel tool HSS tool Diamond tool 5 / 25 Which of the following will give better chip flow? Zero back rake angle tool Negative back rake angle tool None of the mentioned Positive back rake angle tool 6 / 25 Flank wear occurs at Tool face Tool flank below cutting edge None of the mentioned Tool shank 7 / 25 For machining of carbide material which of the following tool will be preferred? Small point angle tools Zero rake angle tools Large positive rake angle tools Large negative rake angle tools 8 / 25 For large negative back rake angle, tool will be Harder Smoother Weaker Stronger 9 / 25 For large positive back rake angle, tool will be Smoother Weaker Stronger Harder 10 / 25 Crater wear occurs at Tool face Tool flank None of the mentioned Tool shank 11 / 25 If a percentage of cobalt in Tungsten carbide tool increases, then toughness of tool will Decrease Remains Constant Increase First increase then decrease 12 / 25 With an increase in lip angle keeping side rake angle constant, strength of tool. Remains constant Decreases Increases None of the mentioned 13 / 25 Angle between side cutting edge and end cutting edge in the top surface plane of tool. Side relief angle Side cutting edge angle Nose angle Side rake angle 14 / 25 Which of the following is correct about crater wear? Occurs more in soft tool Occurs more in brittle tool None of the mentioned Occurs more hard tool 15 / 25 Which of the following material can be used for coating on tools? TiCN (Titanium Carbo-Nitride) HSS (high speed steel) WC (tungsten carbide) cBN (cubic boron nitride) 16 / 25 Angle between the rake face and plane perpendicular to rake face is known as: End relief angle Side rake angle Back rake angle Side relief angle 17 / 25 Which of the following will give maximum chip flow during machining? Brittle material Ductile material Hard material All of the mentioned 18 / 25 Negative back rake angle is given for machining of: Ductile material Soft material Soft and ductile material Brittle and hard material 19 / 25 What is the optimum value of positive rake angle in degrees for maximum tool life? 12 10 20 15 20 / 25 Angle between the rake face flank of tool and perpendicular line drawn from cutting point to base of tool is known as: End relief angle Back rake angle Side rake angle Side relief angle 21 / 25 With an increase in side cutting edge angle keeping width of cut constant, depth of cut will Decrease Increase First increase then decrease Remains constant 22 / 25 Positive rake angle is given for machining of: None of the mentioned Ductile material Both hard and soft material Brittle material 23 / 25 Angle between end cutting edge and axis of tool is known as: Side rake angle Side relief angle End cutting edge angle Back rake angle 24 / 25 Which of the following will give large friction during chip flow? Zero back rake angle tool Small lip angle tool Negative back rake angle tool Positive back rake angle tool 25 / 25 Which of the following tools is most suitable for very hard and brittle material? Cast-cobalt alloy HSS None of the mentioned Carbides Your score isThe average score is 0% LinkedIn Facebook VKontakte 0% Restart quiz Related Spread the love
