🧪 Angular 6 MCQ Quiz Hub

Angular 6 Mcq Question Set 1

Choose a topic to test your knowledge and improve your Angular 6 skills

1. AngularJS is perfect for?




2. Do AngularJS provide reusable components?




3. Which of the following statement is true for AngularJS?




4. AngularJS expressions bind AngularJS data to HTML like which of the following directive?




5. Which of the following can be used as a prefix for Directive?




6. What is a Model in MVC?




7. Being a JavaScript-only framework, applications written in AngularJS are not safe and secure.




8. Which of the following statement is correct about data binding in AngularJS?




9. The rate of change of angular position of the body is called as _____




10. When an element moves in a flow field it translates, it also rotates along a streamline and in addition, its shape may undergo distortion.




11. The angular velocity can be given by ______




12. The term 2*ω is called as _______




13. The curl of velocity equals to _______




14. If ∇*V is not equal to zero, then the flow is ____




15. If ∇*V is equal to zero, then the flow is _____




16. The subsonic flow over an airfoil is an example of ___




17. The angle between the two lines (x and y direction) is called as _____




18. The absence of vorticity means the flow is _____




19. If the crank and the connecting rod are 300 mm and 1 m long respectively and the crank rotates at a constant speed of 250 r.p.m., determine the crank angle at which the maximum velocity occurs is ____




20. If the crank and the connecting rod are 600 mm and 2 m long respectively and the crank rotates at a constant speed of 250 r.p.m, determine maximum velocity of the piston in m/s is _____




21. he crank and connecting rod of a steam engine are 0.3 m and 1.5 m in length. The crank rotates at 150 r.p.m. clockwise, determine velocity of the piston when the crank is at an angle 40 degrees from IDC.




22. From the data given: Crank and connecting rod of a steam engine are 0.3 m and 1.5 m in length; The crank rotates at 150 r.p.m. clockwise. Determine the acceleration in m/s2 of the piston for the same position(angle 40 degrees from IDC).




23. Which of the following expression represent the angular acceleration α of the connecting rod?




24. In a slider crank mechanism, the length of the crank and connecting rod are 150 mm and 600 mm respectively. The crank position is 60° from inner dead centre. The crank shaft speed is 400 r.p.m. (clockwise). Velocity of the slider is ________




25. From the data given: The length of the crank and connecting rod are 150 mm and 600 mm The crank position is 60° from inner dead centre. The crank shaft speed is 400 r.p.m. Find the acceleration in m/s2 of the slider.




26. From the data given: The length of the crank and connecting rod are 150 mm and 600 mm The crank position is 60° from inner dead centre. The crank shaft speed is 400 r.p.m. Find the angular acceleration in rad/s2 of the connecting rod.




27. While calculating angular acceleration of the connecting rod, sin2(θ) term is neglected.




28. In a slider crank mechanism, the length of the crank and connecting rod are 180 mm and 540 mm respectively. The crank position is 45° from inner dead centre. The crank shaft speed is 450 r.p.m. (clockwise), calculate angular velocity of the connecting rod in rad/s.




29. Force which does not act on the connecting rod is ______




30. Inertia forces on the reciprocating parts acts along the line of stroke.




31. When mass of the reciprocating parts is neglected then the inertia force is _____




32. For a steam engine, the following data is given: Piston diameter = 0.24 m, length of stroke = 0.6 m, length of connecting rod = 1.5 m, mass of reciprocating parts = 300 kg, mass of connecting rod = 250 kg; speed of rotation = 125 r.p.m ; centre of gravity of connecting rod from crank pin = 0.5 m ; Kg of the connecting rod about an axis through the centre of gravity = 0.65 m calculate inertia force at θ=30 degrees from IDC.




33. Piston diameter = 0.24 m, length of stroke = 0.6 m, length of connecting rod = 1.5 m, mass of reciprocating parts = 300 kg, mass of connecting rod = 250 kg; speed of rotation = 125 r.p.m; centre of gravity of connecting rod from crank pin = 0.5 m ; Kg of the connecting rod about an axis through the centre of gravity = 0.65 m Find the equivalent length L of a simple pendulum swung about an axis.




34. From the data given: Piston diameter = 0.24 m, length of stroke = 0.6 m, length of connecting rod = 1.5 m, mass of reciprocating parts = 300 kg, mass of connecting rod = 250 kg; speed of rotation = 125 r.p.m ; centre of gravity of connecting rod from crank pin = 0.5 m ; Kg of the connecting rod about an axis through the centre of gravity = 0.65 m Find the correcting couple in N-m?




35. Piston diameter = 0.24 m, length of stroke = 0.6 m, length of connecting rod = 1.5 m, mass of reciprocating parts = 300 kg, mass of connecting rod = 250 kg; speed of rotation = 125 r.p.m; centre of gravity of connecting rod from crank pin = 0.5 m ; Kg of the connecting rod about an axis through the centre of gravity = 0.65 m Find angular acceleration of connecting rod in rad/s2.




36. Torque due to weight of the connecting rod affects the torque due to connecting rod.




37. The net force acting on the crosshead pin is known as _____




38. Piston effort acts along the line of stroke.




39. In a horizontal engine, reciprocating parts are accelerated when the piston moves from _______




40. In a horizontal engine, reciprocating parts are retarded when the piston moves from _____




41. When the piston is accelerated, the piston effort is given by which of the following the equation?




42. In the presence of frictional resistance, the expression for piston effort is _____




43. Crank effort is the product of crank pin radius and _______




44. In a horizontal engine, the weight of the reciprocating parts also add/subtract to the piston effort.




45. For the given data of an Internal combustion engine : Mass of parts = 180 kg bore = 175 mm, length of stroke = 200 mm, engine speed = 500 r.p.m., length of connecting rod = 400 mm and crank angle = 60° from T.D.C, find the inertia force.




46. The crank-pin circle radius of a horizontal engine is 300 mm. The mass of the reciprocating parts is 250 kg. When the crank has travelled 30° from T.D.C., the difference between the driving and the back pressures is 0.45 N/mm2. The connecting rod length between centres is 1.2 m and the cylinder bore is 0.5 m. If the engine runs at 250 r.p.m. and if the effect of piston rod diameter is neglected, calculate the net load on piston.




47. From the data given: crank-pin circle radius = 300mm mass of the reciprocating parts = 250kg difference between the driving and the back pressures is 0.45 N/mm2 The connecting rod length between centres is 1.2 m and the cylinder bore is 0.5 m. engine runs at 250 r.p.m & 30° from T.D.C. Find the piston effort.




48. What is the effect of partial balancing of the reciprocating parts?




49. Due to partial balancing there is unbalanced force only along the line of stroke.




50. The effect of an unbalanced primary force along the line of stroke is to produce ____