CTEVT डिप्लोमा इन्जिनियरिङ डिप्लोमा इन सिभिल/कम्प्युटर/इलेक्ट्रिकल प्रवेश तयारी
CTEVT डिप्लोमा इन्जिनियरिङ – डिप्लोमा इन सिभिल/कम्प्युटर/इलेक्ट्रिकल प्रवेश
CTEVT Diploma Entrance · CTEVT Diploma in Engineering
१,५७१ प्रश्न उपलब्ध। मोड छान्नुहोस्:
CTEVT डिप्लोमा इन्जिनियरिङ प्रवेश: प्रश्न र उत्तर
सही लागेको विकल्पमा थिच्नुहोस्। सही भए हरियो, गलत भए रातो देखिन्छ; ३ सेकेन्डपछि सही उत्तर र व्याख्या देखिन्छ।
सही: ० / ०
-
The chemical name of quicklime is:
सही उत्तर: क) Calcium oxide
Quicklime is calcium oxide (CaO), made by heating limestone. Calcium hydroxide, Ca(OH)₂, is slaked lime.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
Which of the following is an alkali metal?
सही उत्तर: ख) Potassium
Potassium is in group 1 with sodium and lithium, the alkali metals. Calcium and magnesium are alkaline earth metals in group 2.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
The modern periodic table arranges elements in increasing order of their:
सही उत्तर: क) Atomic number
The modern periodic law states that properties of elements are periodic functions of their atomic numbers. Mendeleev's earlier table was based on atomic mass.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
The elements of group 18 of the modern periodic table are called:
सही उत्तर: घ) Noble (inert) gases
Group 18 (helium, neon, argon, etc.) have stable outer electron shells and are very unreactive. Halogens are in group 17.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
The maximum number of electrons that the second shell (L-shell) can hold is:
सही उत्तर: ग) 8
The maximum capacity of a shell is 2n²; for n = 2 this gives 8. The first (K) shell holds a maximum of 2 electrons.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
Atoms of the same element having the same atomic number but different mass numbers are called:
सही उत्तर: ख) Isotopes
Isotopes, such as protium, deuterium and tritium of hydrogen, differ in the number of neutrons. Isobars have the same mass number but different atomic numbers.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
The atomic number of an element is equal to the number of:
सही उत्तर: क) Protons in its nucleus
Atomic number (Z) = number of protons, which also equals the number of electrons in a neutral atom. Protons plus neutrons gives the mass number.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
The negatively charged particle of an atom is the:
सही उत्तर: घ) Electron
Electrons carry negative charge and revolve around the nucleus. Protons are positive and neutrons carry no charge.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
The smallest particle of an element that can take part in a chemical reaction is called:
सही उत्तर: ग) Atom
An atom is the smallest particle of an element that can take part in a chemical reaction. A molecule is the smallest particle that can exist independently.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
The safety device that breaks a circuit when excess current flows is a:
सही उत्तर: ख) Fuse
A fuse wire has a low melting point and melts when excessive current flows, breaking the circuit. A switch only opens or closes a circuit manually.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
यी अभ्यास प्रश्न हुन्, आधिकारिक प्रश्न होइनन्। पाठ्यक्रम, विज्ञापन र नतिजाका लागि सम्बन्धित निकायको आधिकारिक वेबसाइट हेर्नुहोस्। उत्तरमा गल्ती भेटे प्रश्नमुनिको "टिप्पणी / गल्ती रिपोर्ट" मा लेख्नुहोस्।
नमस्ते! पाठ्यक्रम, सामान्य ज्ञान, भाषा परीक्षा वा कुनै प्रश्नको उत्तर बुझ्न सोध्नुहोस्।
AI ले गल्ती गर्न सक्छ। महत्वपूर्ण कुरा आधिकारिक स्रोतमा जाँच्नुहोस्।