1.
Which of these type of maintenance is done to a faulty machine?
Correct Answer
B. Corrective maintenance
Explanation
Corrective maintenance is the type of maintenance that is done to a faulty machine. This type of maintenance is performed after a failure or breakdown has occurred in order to restore the machine to its normal working condition. It involves identifying and fixing the specific problem that caused the machine to malfunction, rather than performing routine or preventive maintenance tasks.
2.
Which of these is not a protective equipment?
Correct Answer
B. Glasses
Explanation
Glasses are not considered a protective equipment because they are primarily used for vision correction rather than providing physical protection. Protective equipment, on the other hand, is designed to shield the body from potential hazards or injuries. Goggles, boots, and helmets are all examples of protective equipment as they provide protection for the eyes, feet, and head respectively.
3.
Which of these materials is mostly essential when welding?
Correct Answer
A. Goggles
Explanation
When welding, the most essential material is goggles. Goggles are used to protect the eyes from sparks, debris, and harmful radiation emitted during the welding process. They provide a barrier between the eyes and the intense light and heat generated, preventing potential eye injuries and damage. Helmets are also important for protecting the face and head, but goggles specifically focus on eye protection, making them the most essential material in welding.
4.
What is the prerequisites for machine proper functioning?
Correct Answer
A. Maintenance
Explanation
Maintenance is the correct answer because it refers to the process of keeping a machine in good working condition by regularly inspecting, servicing, and repairing it. Without proper maintenance, a machine may experience breakdowns, reduced efficiency, and even complete failure. Regular cleaning, taking quizzes, and repairing worn out parts are all part of the maintenance process and contribute to the proper functioning of the machine.
5.
What are Vehicle's operators called?
Correct Answer
C. Mechanics
Explanation
Vehicle operators are commonly referred to as drivers. However, in this question, the correct answer is mechanics. While drivers are responsible for operating the vehicle, mechanics are the individuals who repair and maintain the vehicles. They have the knowledge and skills to diagnose and fix mechanical issues, ensuring that the vehicles are in proper working condition.
6.
Which of these is not a safety tool in handling machines?
Correct Answer
C. CellpHone
Explanation
Gloves, helmet, and boots are safety tools commonly used in handling machines to protect hands, head, and feet respectively. However, a cellphone is not considered a safety tool in handling machines. Cellphones are not designed to provide any protection or safety measures while operating machinery and can even be a distraction, posing a risk to the operator's safety. Therefore, the correct answer is Cellphone.
7.
What is the most essential guidelines in handling machines?
Correct Answer
C. Concentration
Explanation
Concentration is the most essential guideline in handling machines because it ensures that the operator is fully focused on the task at hand, minimizing the risk of accidents or mistakes. When operating a machine, it is crucial to pay close attention to details, follow instructions, and remain alert to any potential hazards. Lack of concentration can lead to errors, equipment damage, or even personal injury. Therefore, maintaining a high level of concentration is vital for safe and efficient machine handling.
8.
Which of these is not a feature of a machine?
Correct Answer
B. Slow
Explanation
Slow is not a feature of a machine because machines are designed to perform tasks efficiently and quickly. Slowness would be a disadvantage for a machine as it would decrease its productivity and effectiveness. Machines are typically created to save time and increase efficiency, so being slow contradicts the purpose of a machine.
9.
Which of these is not a home appliance?
Correct Answer
C. Grinder
Explanation
A grinder is not considered a home appliance because it is typically used for grinding or crushing materials, such as coffee beans or spices, rather than performing household tasks. Home appliances are usually designed to assist with everyday household chores or provide convenience in daily living, such as ironing clothes (iron), blending ingredients (blender), or cooking food (microwave oven).
10.
Which of these is not a machine?
Correct Answer
D. Clothes
Explanation
Clothes are not a machine because they are not a mechanical or electrical device that performs a specific task. They are items that are worn on the body for protection or fashion purposes. Iron, washing machine, and cooker are all machines as they are designed to perform specific functions, such as ironing clothes, washing clothes, and cooking food, respectively.